{"release_id":5,"data":{"id":13131,"release_id":5,"source_id":"sgkb.public-safety.sg-alert-emergency-broadcasts","kind":"article","fingerprint":"b0e80f0de41426a84447b9bc8e182c292515108fc5ee95388b4484fc1c22806b","title_en":"SG Alert Emergency Broadcasts","title_zh":"SG Alert \u7d27\u6025\u5e7f\u64ad","domain":"public-safety","status":"verified","date":"2026-10-14","payload":{"data":{"path":"public-safety\/sg-alert-emergency-broadcasts.md","tags":["agency","how-to","concept","policy"],"title":"SG Alert Emergency Broadcasts","domain":"public-safety","facets":["current","institution","policy","procedure","resident-life"],"status":"verified","topics":["sgtopic.public-safety","sgtopic.public-safety.civil-defence","sgtopic.public-safety.sg-alert","sgtopic.public-safety.shelters-warning"],"aliases":["SG Alert","cell broadcast emergency alert Singapore","Presidential alert header"],"related":[],"sources":[{"url":"https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert)","title":"SCDF \u2014 Emergency Alert (SG Alert)","accessed":"2026-10-14"},{"url":"https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/public-warning-system","title":"SCDF \u2014 Public Warning System","accessed":"2026-10-14"}],"summary":"SG Alert is SCDF's cell-broadcast emergency alert for crises such as major fires or terror incidents; it complements PWS and broadcast media, cannot be opted out of, and was phased in from a 10 May 2026 SingTel islandwide test toward StarHub, M1 and SIMBA by mid-2027.","entities":["sg.agency.scdf","sg.agency.imda"],"language":"en","volatility":"fast","document_id":"sgkb.public-safety.sg-alert-emergency-broadcasts","jurisdiction":"SG","document_type":"article","last_verified":"2026-10-14","temporal_scope":"current","document_sha256":"ccc9e5761565e9e1b6d112f65577d1ee3b4a7467dfad8e0205c3be817bb07c1b","geographic_scope":["national"],"classification_source":"domain-default","classification_confidence":"medium"},"date":"2026-10-14","kind":"article","wiki":{"path":"public-safety\/sg-alert-emergency-broadcasts.md","domain":"public-safety","locales":{"en":{"title":"SG Alert Emergency Broadcasts","summary":"SG Alert is SCDF's cell-broadcast emergency alert for crises such as major fires or terror incidents; it complements PWS and broadcast media, cannot be opted out of, and was phased in from a 10 May 2026 SingTel islandwide test toward StarHub, M1 and SIMBA by mid-2027.","markdown":"# SG Alert Emergency Broadcasts\n\n**SG Alert** is the Singapore Civil Defence Force's **mass emergency alert** for crises such as **major fires, chemical incidents, or terror-related events**, designed so the public can take **immediate protective action** ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). SG Alert uses **cell broadcast** to push pop-up messages **without mobile data** and **without collecting personal information**, and can be activated **islandwide** or in **geographic zones** ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). It complements the **Public Warning System (PWS)**, free-to-air TV and radio, social media, and **SGSecure** \u2014 it does not replace **995**, **999**, or PWS **Alarm** shelter instructions ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert)); [civil defence preparedness](\/en\/knowledge\/article\/sgkb.public-safety.civil-defence-preparedness), [improvised cover at home](\/en\/knowledge\/article\/sgkb.public-safety.improvised-cover-at-home)).\n\n## Rollout, testing, and operator timetable\n\nSCDF conducted an **islandwide public test** on **Sunday, 10 May 2026 at 12 p.m.** for **SingTel** network users (including **SingTel-hosted MVNOs** such as Gomo, VIVIFI, Zero1, and Zym mobile) and **foreign visitors** on those networks, including **data-only eSIM** plans, to validate performance before phased operationalisation ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). SCDF, **HTX**, and the **Infocomm Media Development Authority** work with mobile network operators on rollout; SCDF targets **StarHub by end-2026**, then **M1 and SIMBA by mid-2027** ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). Staggering accounts for different operator technical setups ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))).\n\nUntil each operator is onboarded, users on other networks may not receive SG Alert even during emergencies in the affected zone. Market structure and MVNO hosting are summarised in [telco and internet](\/en\/knowledge\/article\/sgkb.daily-life.telco-and-internet); SG Alert availability is an **operator-readiness** fact, not a universal constant across every SIM on day one.\n\n## What users see and how alerts behave\n\nTest and live alerts appear as a **pop-up** with header **\"SG Alert\"**, a **unique tone and vibration** lasting up to **10 seconds**, bypassing **Do Not Disturb** and silent mode ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). Some handsets may show **\"Presidential alert\"** instead of **\"SG Alert\"** because of compatibility issues; SCDF states the **content is the same** and that it is working to regularise the header ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))).\n\nMessages are meant to carry a **brief incident description**, **affected location(s)**, **protective actions**, and **official links** ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). Alerts can be issued in **English** and the user's **preferred mobile language** among Singapore's four official languages; devices set to other languages receive **English** ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). SG Alert is **free**, **not unsubscribable**, and does not require app downloads ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). It can override an **ongoing call** with a full-screen pop-up ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))).\n\nSCDF states supported phones need the **latest operating system in Singapore**, citing **Apple iOS 26.4** or **Google Android 12 and above** with the latest Google Play system update as examples on the SG Alert page ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). **Tablets and cellular smart watches** may receive alerts but the service is **intended for mobile phones** ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). OS requirements are volatile; check SCDF's page before relying on a specific version threshold.\n\n## SG Alert versus PWS, SGSecure, and emergency hotlines\n\n**PWS** uses fixed sirens with **Alarm**, **All Clear**, and **Important Message** signals; annual **Important Message** familiarisation soundings on **15 February** and **15 September** at **6:20 p.m.** are not evacuation orders ([SCDF PWS, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/public-warning-system)). **SG Alert** targets phone screens for **immediate-action** civil-defence or major-incident messaging and may carry richer text than a siren alone ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). **SGSecure** remains a separate app-based vigilance and roadshow channel ([sgsecure campaign 2026](\/en\/knowledge\/article\/sgkb.public-safety.sgsecure-campaign-2026)).\n\nSG Alert is **only for emergencies requiring immediate public protective action**, not for routine government messaging or commercial alerts ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). A personal medical emergency still requires **995**; immediate police danger requires **999** ([emergency services and safety](\/en\/knowledge\/article\/sgkb.daily-life.emergency-services-and-safety)). Government scam warnings use other channels; SG Alert's no-opt-out design is for **life-safety emergencies**, not marketing.\n\n## Common retrieval mistakes\n\nErrors include treating a **May 2026 test alert** as a real incident instruction without reading the body, assuming **every MVNO** received alerts before its host MNO rollout, confusing **Presidential alert** headers with unrelated foreign systems, or using SG Alert receipt as proof that **shelter obligations** or **Fire Certificate** duties are satisfied. Practical rule: **read SG Alert text and follow its protective actions; use PWS Alarm\/All Clear for siren-based shelter doctrine; dial 995\/999 for personal emergencies; keep phone OS updated per SCDF's published list** ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert)); [SCDF PWS, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/public-warning-system))."},"zh":{"title":"SG Alert \u7d27\u6025\u5e7f\u64ad","summary":"SG Alert \u662f\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u901a\u8fc7\u5c0f\u533a\u5e7f\u64ad\u53d1\u9001\u7684\u7d27\u6025\u8b66\u62a5\uff0c\u7528\u4e8e\u91cd\u5927\u706b\u707e\u6216\u6050\u6016\u4e8b\u4ef6\u7b49\u5371\u673a\uff1b\u5b83\u4e0e\u516c\u5171\u8b66\u62a5\u7cfb\u7edf\u53ca\u5e7f\u64ad\u5a92\u4f53\u4e92\u4e3a\u8865\u5145\uff0c\u7528\u6237\u65e0\u6cd5\u9009\u62e9\u9000\u51fa\uff0c\u5e76\u4e8e 2026 \u5e74\u4e94\u6708 10 \u65e5\u8d77\u901a\u8fc7 SingTel \u5168\u5c9b\u6d4b\u8bd5\u9010\u6b65\u63a8\u884c\uff0c\u76ee\u6807\u662f\u5728 2027 \u5e74\u5e74\u4e2d\u524d\u8986\u76d6 StarHub\u3001M1 \u548c SIMBA\u3002","markdown":"# SG Alert \u7d27\u6025\u5e7f\u64ad\n\n**SG Alert**\u662f\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u4e3a**\u91cd\u5927\u706b\u707e\u3001\u5316\u5b66\u4e8b\u6545\u6216\u6050\u6016\u4e3b\u4e49\u76f8\u5173\u4e8b\u4ef6**\u7b49\u5371\u673a\u5236\u5b9a\u7684**\u5927\u89c4\u6a21\u7d27\u6025\u8b66\u62a5**\uff0c\u65e8\u5728\u8ba9\u516c\u4f17\u91c7\u53d6**\u5373\u65f6\u9632\u62a4\u884c\u52a8**\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002SG Alert \u4f7f\u7528**\u5c0f\u533a\u5e7f\u64ad**\u63a8\u9001\u5f39\u51fa\u5f0f\u8baf\u606f\uff0c**\u65e0\u9700\u79fb\u52a8\u6570\u636e**\uff0c\u4e5f**\u4e0d\u4f1a\u6536\u96c6\u4e2a\u4eba\u4fe1\u606f**\uff0c\u5e76\u53ef\u5728**\u5168\u5c9b**\u6216**\u5730\u7406\u533a\u57df**\u8303\u56f4\u5185\u542f\u52a8\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\u5b83\u4e0e**\u516c\u5171\u8b66\u62a5\u7cfb\u7edf\uff08PWS\uff09**\u3001\u514d\u8d39\u65e0\u7ebf\u7535\u89c6\u548c\u7535\u53f0\u3001\u793e\u4ea4\u5a92\u4f53\u53ca **SGSecure** \u4e92\u4e3a\u8865\u5145\uff0c\u4f46\u4e0d\u80fd\u53d6\u4ee3 **995**\u3001**999** \u6216\u516c\u5171\u8b66\u62a5\u7cfb\u7edf\u7684**\u8b66\u62a5**\u907f\u96be\u6307\u793a\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff1b[\u6c11\u9632\u51c6\u5907\u5de5\u4f5c](\/zh\/knowledge\/article\/sgkb.public-safety.civil-defence-preparedness)\u3001[\u5bb6\u4e2d\u4e34\u65f6\u63a9\u62a4](\/zh\/knowledge\/article\/sgkb.public-safety.improvised-cover-at-home)\uff09\u3002\n\n## \u63a8\u884c\u3001\u6d4b\u8bd5\u4e0e\u7535\u4fe1\u8fd0\u8425\u5546\u65f6\u95f4\u8868\n\n\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u4e8e **2026 \u5e74\u4e94\u6708 10 \u65e5\u661f\u671f\u65e5\u4e2d\u5348 12 \u65f6**\uff0c\u4e3a **SingTel** \u7f51\u7edc\u7528\u6237\uff08\u5305\u62ec\u4f7f\u7528 **SingTel** \u7f51\u7edc\u7684\u865a\u62df\u79fb\u52a8\u7f51\u7edc\u8fd0\u8425\u5546\uff08MVNO\uff09\uff0c\u4f8b\u5982 Gomo\u3001VIVIFI\u3001Zero1 \u548c Zym mobile\uff09\u4ee5\u53ca\u4f7f\u7528\u8fd9\u4e9b\u7f51\u7edc\u7684\u5916\u56fd\u8bbf\u5ba2\u8fdb\u884c**\u5168\u5c9b\u516c\u5f00\u6d4b\u8bd5**\uff0c\u5176\u4e2d\u5305\u62ec**\u4ec5\u4f7f\u7528\u6570\u636e\u7684 eSIM** \u914d\u5957\uff0c\u4ee5\u4fbf\u5728\u5206\u9636\u6bb5\u6295\u5165\u8fd0\u884c\u524d\u9a8c\u8bc1\u7cfb\u7edf\u8868\u73b0\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u3001**HTX** \u548c**\u8d44\u8baf\u901a\u4fe1\u5a92\u4f53\u53d1\u5c55\u5c40**\u4e0e\u79fb\u52a8\u7f51\u7edc\u8fd0\u8425\u5546\u5408\u4f5c\u63a8\u884c\u670d\u52a1\uff1b\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u7684\u76ee\u6807\u662f\u5728 **2026 \u5e74\u5e95\u524d**\u8986\u76d6 **StarHub**\uff0c\u968f\u540e\u5728 **2027 \u5e74\u5e74\u4e2d\u524d**\u8986\u76d6 **M1** \u548c **SIMBA**\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\u5206\u9636\u6bb5\u63a8\u51fa\u662f\u4e3a\u4e86\u914d\u5408\u4e0d\u540c\u8fd0\u8425\u5546\u7684\u6280\u672f\u914d\u7f6e\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\n\n\u5728\u6bcf\u5bb6\u8fd0\u8425\u5546\u63a5\u5165\u670d\u52a1\u4e4b\u524d\uff0c\u5176\u4ed6\u7f51\u7edc\u7684\u7528\u6237\u5373\u4f7f\u8eab\u5904\u53d7\u5f71\u54cd\u533a\u57df\uff0c\u4e5f\u53ef\u80fd\u6536\u4e0d\u5230 SG Alert\u3002\u6709\u5173\u5e02\u573a\u7ed3\u6784\u548c MVNO \u4f7f\u7528\u54ea\u5bb6\u7f51\u7edc\u7684\u4fe1\u606f\uff0c\u89c1[\u7535\u4fe1\u4e0e\u4e92\u8054\u7f51](\/zh\/knowledge\/article\/sgkb.daily-life.telco-and-internet)\uff1bSG Alert \u662f\u5426\u53ef\u7528\u53d6\u51b3\u4e8e**\u8fd0\u8425\u5546\u662f\u5426\u5df2\u51c6\u5907\u5c31\u7eea**\uff0c\u5e76\u975e\u6240\u6709 SIM \u4ece\u7b2c\u4e00\u5929\u8d77\u90fd\u80fd\u4f7f\u7528\u7684\u56fa\u5b9a\u4e8b\u5b9e\u3002\n\n## \u7528\u6237\u770b\u5230\u7684\u5185\u5bb9\u53ca\u8b66\u62a5\u8fd0\u4f5c\u65b9\u5f0f\n\n\u6d4b\u8bd5\u548c\u5b9e\u9645\u8b66\u62a5\u4f1a\u4ee5\u5f39\u51fa\u5f0f\u8baf\u606f\u663e\u793a\uff0c\u6807\u9898\u4e3a **\u201cSG Alert\u201d**\uff0c\u5e76\u4f34\u6709**\u72ec\u7279\u7684\u63d0\u793a\u97f3\u548c\u632f\u52a8**\uff0c\u6301\u7eed\u6700\u957f **10 \u79d2**\uff0c\u800c\u4e14\u4f1a\u8986\u76d6**\u52ff\u6270\u6a21\u5f0f**\u548c\u9759\u97f3\u6a21\u5f0f\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\u7531\u4e8e\u517c\u5bb9\u6027\u95ee\u9898\uff0c\u90e8\u5206\u624b\u673a\u53ef\u80fd\u663e\u793a **\u201c\u603b\u7edf\u8b66\u62a5\u201d**\uff0c\u800c\u4e0d\u662f **\u201cSG Alert\u201d**\uff1b\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u8868\u793a\uff0c**\u4e24\u8005\u5185\u5bb9\u76f8\u540c**\uff0c\u5e76\u6b63\u7740\u624b\u7edf\u4e00\u6807\u9898\u663e\u793a\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\n\n\u8baf\u606f\u65e8\u5728\u7b80\u8981\u8bf4\u660e**\u4e8b\u6545\u60c5\u51b5**\u3001**\u53d7\u5f71\u54cd\u5730\u70b9**\u3001**\u9632\u62a4\u884c\u52a8**\u548c**\u5b98\u65b9\u94fe\u63a5**\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 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alert for crises such as major fires or terror incidents; it complements PWS and broadcast media, cannot be opted out of, and was phased in from a 10 May 2026 SingTel islandwide test toward StarHub, M1 and SIMBA by mid-2027.","markdown":"# SG Alert Emergency Broadcasts\n\n**SG Alert** is the Singapore Civil Defence Force's **mass emergency alert** for crises such as **major fires, chemical incidents, or terror-related events**, designed so the public can take **immediate protective action** ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). SG Alert uses **cell broadcast** to push pop-up messages **without mobile data** and **without collecting personal information**, and can be activated **islandwide** or in **geographic zones** ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). It complements the **Public Warning System (PWS)**, free-to-air TV and radio, social media, and **SGSecure** \u2014 it does not replace **995**, **999**, or PWS **Alarm** shelter instructions ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert)); [civil defence preparedness](\/en\/knowledge\/article\/sgkb.public-safety.civil-defence-preparedness), [improvised cover at home](\/en\/knowledge\/article\/sgkb.public-safety.improvised-cover-at-home)).\n\n## Rollout, testing, and operator timetable\n\nSCDF conducted an **islandwide public test** on **Sunday, 10 May 2026 at 12 p.m.** for **SingTel** network users (including **SingTel-hosted MVNOs** such as Gomo, VIVIFI, Zero1, and Zym mobile) and **foreign visitors** on those networks, including **data-only eSIM** plans, to validate performance before phased operationalisation ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). SCDF, **HTX**, and the **Infocomm Media Development Authority** work with mobile network operators on rollout; SCDF targets **StarHub by end-2026**, then **M1 and SIMBA by mid-2027** ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). Staggering accounts for different operator technical setups ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))).\n\nUntil each operator is onboarded, users on other networks may not receive SG Alert even during emergencies in the affected zone. Market structure and MVNO hosting are summarised in [telco and internet](\/en\/knowledge\/article\/sgkb.daily-life.telco-and-internet); SG Alert availability is an **operator-readiness** fact, not a universal constant across every SIM on day one.\n\n## What users see and how alerts behave\n\nTest and live alerts appear as a **pop-up** with header **\"SG Alert\"**, a **unique tone and vibration** lasting up to **10 seconds**, bypassing **Do Not Disturb** and silent mode ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). Some handsets may show **\"Presidential alert\"** instead of **\"SG Alert\"** because of compatibility issues; SCDF states the **content is the same** and that it is working to regularise the header ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))).\n\nMessages are meant to carry a **brief incident description**, **affected location(s)**, **protective actions**, and **official links** ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). Alerts can be issued in **English** and the user's **preferred mobile language** among Singapore's four official languages; devices set to other languages receive **English** ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). SG Alert is **free**, **not unsubscribable**, and does not require app downloads ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). It can override an **ongoing call** with a full-screen pop-up ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))).\n\nSCDF states supported phones need the **latest operating system in Singapore**, citing **Apple iOS 26.4** or **Google Android 12 and above** with the latest Google Play system update as examples on the SG Alert page ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). **Tablets and cellular smart watches** may receive alerts but the service is **intended for mobile phones** ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). OS requirements are volatile; check SCDF's page before relying on a specific version threshold.\n\n## SG Alert versus PWS, SGSecure, and emergency hotlines\n\n**PWS** uses fixed sirens with **Alarm**, **All Clear**, and **Important Message** signals; annual **Important Message** familiarisation soundings on **15 February** and **15 September** at **6:20 p.m.** are not evacuation orders ([SCDF PWS, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/public-warning-system)). **SG Alert** targets phone screens for **immediate-action** civil-defence or major-incident messaging and may carry richer text than a siren alone ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). **SGSecure** remains a separate app-based vigilance and roadshow channel ([sgsecure campaign 2026](\/en\/knowledge\/article\/sgkb.public-safety.sgsecure-campaign-2026)).\n\nSG Alert is **only for emergencies requiring immediate public protective action**, not for routine government messaging or commercial alerts ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). A personal medical emergency still requires **995**; immediate police danger requires **999** ([emergency services and safety](\/en\/knowledge\/article\/sgkb.daily-life.emergency-services-and-safety)). Government scam warnings use other channels; SG Alert's no-opt-out design is for **life-safety emergencies**, not marketing.\n\n## Common retrieval mistakes\n\nErrors include treating a **May 2026 test alert** as a real incident instruction without reading the body, assuming **every MVNO** received alerts before its host MNO rollout, confusing **Presidential alert** headers with unrelated foreign systems, or using SG Alert receipt as proof that **shelter obligations** or **Fire Certificate** duties are satisfied. Practical rule: **read SG Alert text and follow its protective actions; use PWS Alarm\/All Clear for siren-based shelter doctrine; dial 995\/999 for personal emergencies; keep phone OS updated per SCDF's published list** ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert)); [SCDF PWS, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/public-warning-system))."},"zh":{"title":"SG Alert \u7d27\u6025\u5e7f\u64ad","summary":"SG Alert \u662f\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u901a\u8fc7\u5c0f\u533a\u5e7f\u64ad\u53d1\u9001\u7684\u7d27\u6025\u8b66\u62a5\uff0c\u7528\u4e8e\u91cd\u5927\u706b\u707e\u6216\u6050\u6016\u4e8b\u4ef6\u7b49\u5371\u673a\uff1b\u5b83\u4e0e\u516c\u5171\u8b66\u62a5\u7cfb\u7edf\u53ca\u5e7f\u64ad\u5a92\u4f53\u4e92\u4e3a\u8865\u5145\uff0c\u7528\u6237\u65e0\u6cd5\u9009\u62e9\u9000\u51fa\uff0c\u5e76\u4e8e 2026 \u5e74\u4e94\u6708 10 \u65e5\u8d77\u901a\u8fc7 SingTel \u5168\u5c9b\u6d4b\u8bd5\u9010\u6b65\u63a8\u884c\uff0c\u76ee\u6807\u662f\u5728 2027 \u5e74\u5e74\u4e2d\u524d\u8986\u76d6 StarHub\u3001M1 \u548c SIMBA\u3002","markdown":"# SG Alert \u7d27\u6025\u5e7f\u64ad\n\n**SG Alert**\u662f\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u4e3a**\u91cd\u5927\u706b\u707e\u3001\u5316\u5b66\u4e8b\u6545\u6216\u6050\u6016\u4e3b\u4e49\u76f8\u5173\u4e8b\u4ef6**\u7b49\u5371\u673a\u5236\u5b9a\u7684**\u5927\u89c4\u6a21\u7d27\u6025\u8b66\u62a5**\uff0c\u65e8\u5728\u8ba9\u516c\u4f17\u91c7\u53d6**\u5373\u65f6\u9632\u62a4\u884c\u52a8**\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002SG Alert \u4f7f\u7528**\u5c0f\u533a\u5e7f\u64ad**\u63a8\u9001\u5f39\u51fa\u5f0f\u8baf\u606f\uff0c**\u65e0\u9700\u79fb\u52a8\u6570\u636e**\uff0c\u4e5f**\u4e0d\u4f1a\u6536\u96c6\u4e2a\u4eba\u4fe1\u606f**\uff0c\u5e76\u53ef\u5728**\u5168\u5c9b**\u6216**\u5730\u7406\u533a\u57df**\u8303\u56f4\u5185\u542f\u52a8\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\u5b83\u4e0e**\u516c\u5171\u8b66\u62a5\u7cfb\u7edf\uff08PWS\uff09**\u3001\u514d\u8d39\u65e0\u7ebf\u7535\u89c6\u548c\u7535\u53f0\u3001\u793e\u4ea4\u5a92\u4f53\u53ca **SGSecure** \u4e92\u4e3a\u8865\u5145\uff0c\u4f46\u4e0d\u80fd\u53d6\u4ee3 **995**\u3001**999** \u6216\u516c\u5171\u8b66\u62a5\u7cfb\u7edf\u7684**\u8b66\u62a5**\u907f\u96be\u6307\u793a\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff1b[\u6c11\u9632\u51c6\u5907\u5de5\u4f5c](\/zh\/knowledge\/article\/sgkb.public-safety.civil-defence-preparedness)\u3001[\u5bb6\u4e2d\u4e34\u65f6\u63a9\u62a4](\/zh\/knowledge\/article\/sgkb.public-safety.improvised-cover-at-home)\uff09\u3002\n\n## \u63a8\u884c\u3001\u6d4b\u8bd5\u4e0e\u7535\u4fe1\u8fd0\u8425\u5546\u65f6\u95f4\u8868\n\n\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u4e8e **2026 \u5e74\u4e94\u6708 10 \u65e5\u661f\u671f\u65e5\u4e2d\u5348 12 \u65f6**\uff0c\u4e3a **SingTel** \u7f51\u7edc\u7528\u6237\uff08\u5305\u62ec\u4f7f\u7528 **SingTel** \u7f51\u7edc\u7684\u865a\u62df\u79fb\u52a8\u7f51\u7edc\u8fd0\u8425\u5546\uff08MVNO\uff09\uff0c\u4f8b\u5982 Gomo\u3001VIVIFI\u3001Zero1 \u548c Zym mobile\uff09\u4ee5\u53ca\u4f7f\u7528\u8fd9\u4e9b\u7f51\u7edc\u7684\u5916\u56fd\u8bbf\u5ba2\u8fdb\u884c**\u5168\u5c9b\u516c\u5f00\u6d4b\u8bd5**\uff0c\u5176\u4e2d\u5305\u62ec**\u4ec5\u4f7f\u7528\u6570\u636e\u7684 eSIM** \u914d\u5957\uff0c\u4ee5\u4fbf\u5728\u5206\u9636\u6bb5\u6295\u5165\u8fd0\u884c\u524d\u9a8c\u8bc1\u7cfb\u7edf\u8868\u73b0\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u3001**HTX** \u548c**\u8d44\u8baf\u901a\u4fe1\u5a92\u4f53\u53d1\u5c55\u5c40**\u4e0e\u79fb\u52a8\u7f51\u7edc\u8fd0\u8425\u5546\u5408\u4f5c\u63a8\u884c\u670d\u52a1\uff1b\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u7684\u76ee\u6807\u662f\u5728 **2026 \u5e74\u5e95\u524d**\u8986\u76d6 **StarHub**\uff0c\u968f\u540e\u5728 **2027 \u5e74\u5e74\u4e2d\u524d**\u8986\u76d6 **M1** \u548c **SIMBA**\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\u5206\u9636\u6bb5\u63a8\u51fa\u662f\u4e3a\u4e86\u914d\u5408\u4e0d\u540c\u8fd0\u8425\u5546\u7684\u6280\u672f\u914d\u7f6e\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\n\n\u5728\u6bcf\u5bb6\u8fd0\u8425\u5546\u63a5\u5165\u670d\u52a1\u4e4b\u524d\uff0c\u5176\u4ed6\u7f51\u7edc\u7684\u7528\u6237\u5373\u4f7f\u8eab\u5904\u53d7\u5f71\u54cd\u533a\u57df\uff0c\u4e5f\u53ef\u80fd\u6536\u4e0d\u5230 SG Alert\u3002\u6709\u5173\u5e02\u573a\u7ed3\u6784\u548c MVNO \u4f7f\u7528\u54ea\u5bb6\u7f51\u7edc\u7684\u4fe1\u606f\uff0c\u89c1[\u7535\u4fe1\u4e0e\u4e92\u8054\u7f51](\/zh\/knowledge\/article\/sgkb.daily-life.telco-and-internet)\uff1bSG Alert \u662f\u5426\u53ef\u7528\u53d6\u51b3\u4e8e**\u8fd0\u8425\u5546\u662f\u5426\u5df2\u51c6\u5907\u5c31\u7eea**\uff0c\u5e76\u975e\u6240\u6709 SIM \u4ece\u7b2c\u4e00\u5929\u8d77\u90fd\u80fd\u4f7f\u7528\u7684\u56fa\u5b9a\u4e8b\u5b9e\u3002\n\n## \u7528\u6237\u770b\u5230\u7684\u5185\u5bb9\u53ca\u8b66\u62a5\u8fd0\u4f5c\u65b9\u5f0f\n\n\u6d4b\u8bd5\u548c\u5b9e\u9645\u8b66\u62a5\u4f1a\u4ee5\u5f39\u51fa\u5f0f\u8baf\u606f\u663e\u793a\uff0c\u6807\u9898\u4e3a **\u201cSG Alert\u201d**\uff0c\u5e76\u4f34\u6709**\u72ec\u7279\u7684\u63d0\u793a\u97f3\u548c\u632f\u52a8**\uff0c\u6301\u7eed\u6700\u957f **10 \u79d2**\uff0c\u800c\u4e14\u4f1a\u8986\u76d6**\u52ff\u6270\u6a21\u5f0f**\u548c\u9759\u97f3\u6a21\u5f0f\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\u7531\u4e8e\u517c\u5bb9\u6027\u95ee\u9898\uff0c\u90e8\u5206\u624b\u673a\u53ef\u80fd\u663e\u793a **\u201c\u603b\u7edf\u8b66\u62a5\u201d**\uff0c\u800c\u4e0d\u662f **\u201cSG Alert\u201d**\uff1b\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u8868\u793a\uff0c**\u4e24\u8005\u5185\u5bb9\u76f8\u540c**\uff0c\u5e76\u6b63\u7740\u624b\u7edf\u4e00\u6807\u9898\u663e\u793a\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\n\n\u8baf\u606f\u65e8\u5728\u7b80\u8981\u8bf4\u660e**\u4e8b\u6545\u60c5\u51b5**\u3001**\u53d7\u5f71\u54cd\u5730\u70b9**\u3001**\u9632\u62a4\u884c\u52a8**\u548c**\u5b98\u65b9\u94fe\u63a5**\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\u8b66\u62a5\u53ef\u4f7f\u7528**\u82f1\u8bed**\u4ee5\u53ca\u7528\u6237\u9009\u62e9\u7684\u65b0\u52a0\u5761\u56db\u79cd\u5b98\u65b9\u8bed\u8a00\u4e4b\u4e00\u4f5c\u4e3a**\u624b\u673a\u9996\u9009\u8bed\u8a00**\u53d1\u9001\uff1b\u8bbe\u5907\u82e5\u8bbe\u4e3a\u5176\u4ed6\u8bed\u8a00\uff0c\u5219\u4f1a\u6536\u5230**\u82f1\u8bed**\u8b66\u62a5\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002SG Alert **\u514d\u8d39**\u3001**\u65e0\u6cd5\u53d6\u6d88\u8ba2\u9605**\uff0c\u4e5f\u65e0\u9700\u4e0b\u8f7d\u5e94\u7528\u7a0b\u5e8f\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\u5982\u679c\u7528\u6237\u6b63\u5728\u901a\u8bdd\uff0c\u8b66\u62a5\u4e5f\u53ef\u80fd\u4ee5\u5168\u5c4f\u5f39\u51fa\u5f0f\u8baf\u606f**\u4e2d\u65ad\u901a\u8bdd**\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert)\uff09\u3002\n\n\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u6307\u51fa\uff0c\u53d7\u652f\u6301\u7684\u624b\u673a\u987b\u5728\u65b0\u52a0\u5761\u4f7f\u7528**\u6700\u65b0\u64cd\u4f5c\u7cfb\u7edf**\uff1bSG Alert \u9875\u9762\u4ee5 **Apple iOS 26.4** \u6216 **Google Android 12 \u53ca\u4ee5\u4e0a\u7248\u672c**\uff0c\u5e76\u5b89\u88c5\u6700\u65b0 Google Play \u7cfb\u7edf\u66f4\u65b0\u4e3a\u4f8b\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002**\u5e73\u677f\u7535\u8111\u548c\u5177\u5907\u8702\u7a9d\u7f51\u7edc\u529f\u80fd\u7684\u667a\u80fd\u624b\u8868**\u53ef\u80fd\u4f1a\u6536\u5230\u8b66\u62a5\uff0c\u4f46\u670d\u52a1\u7684**\u76ee\u6807\u8bbe\u5907\u662f\u624b\u673a**\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\u64cd\u4f5c\u7cfb\u7edf\u8981\u6c42\u53ef\u80fd\u53d8\u5316\uff1b\u4f9d\u8d56\u67d0\u4e2a\u5177\u4f53\u7248\u672c\u95e8\u69db\u524d\uff0c\u8bf7\u67e5\u770b\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u7684\u9875\u9762\u3002\n\n## SG Alert\u3001\u516c\u5171\u8b66\u62a5\u7cfb\u7edf\u3001SGSecure \u4e0e\u7d27\u6025\u70ed\u7ebf\u7684\u533a\u522b\n\n**\u516c\u5171\u8b66\u62a5\u7cfb\u7edf\uff08PWS\uff09**\u901a\u8fc7\u56fa\u5b9a\u8b66\u62a5\u5668\u53d1\u51fa**\u8b66\u62a5**\u3001**\u89e3\u9664\u8b66\u62a5**\u548c**\u91cd\u8981\u8baf\u606f**\u4fe1\u53f7\uff1b\u6bcf\u5e74 **\u4e8c\u6708 15 \u65e5**\u548c **\u4e5d\u6708 15 \u65e5**\u4e0b\u5348 **6:20** \u64ad\u653e\u7684**\u91cd\u8981\u8baf\u606f**\u719f\u6089\u6f14\u7ec3\uff0c\u5e76\u975e\u758f\u6563\u547d\u4ee4\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u516c\u5171\u8b66\u62a5\u7cfb\u7edf\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/public-warning-system)\uff09\u3002**SG Alert**\u9762\u5411\u624b\u673a\u5c4f\u5e55\uff0c\u7528\u4e8e\u4f20\u8fbe\u6c11\u9632\u6216\u91cd\u5927\u4e8b\u6545\u7684**\u5373\u65f6\u884c\u52a8**\u8baf\u606f\uff0c\u5176\u6587\u5b57\u5185\u5bb9\u53ef\u80fd\u6bd4\u5355\u72ec\u7684\u8b66\u62a5\u5668\u4fe1\u53f7\u66f4\u4e30\u5bcc\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002**SGSecure**\u4ecd\u662f\u72ec\u7acb\u7684\u5e94\u7528\u7a0b\u5e8f\u5f0f\u8b66\u89c9\u610f\u8bc6\u548c\u5de1\u56de\u6d3b\u52a8\u5ba3\u4f20\u6e20\u9053\uff08[2026 \u5e74 SGSecure \u5ba3\u5bfc\u6d3b\u52a8](\/zh\/knowledge\/article\/sgkb.public-safety.sgsecure-campaign-2026)\uff09\u3002\n\nSG Alert **\u4ec5\u7528\u4e8e\u9700\u8981\u516c\u4f17\u7acb\u5373\u91c7\u53d6\u9632\u62a4\u884c\u52a8\u7684\u7d27\u6025\u60c5\u51b5**\uff0c\u800c\u975e\u65e5\u5e38\u653f\u5e9c\u8baf\u606f\u6216\u5546\u4e1a\u8b66\u62a5\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\u4e2a\u4eba\u533b\u7597\u7d27\u6025\u60c5\u51b5\u4ecd\u5e94\u62e8\u6253 **995**\uff1b\u9047\u5230\u5373\u65f6\u7684\u8b66\u52a1\u5371\u9669\uff0c\u5e94\u62e8\u6253 **999**\uff08[\u7d27\u6025\u670d\u52a1\u4e0e\u5b89\u5168](\/zh\/knowledge\/article\/sgkb.daily-life.emergency-services-and-safety)\uff09\u3002\u653f\u5e9c\u9632\u8bc8\u9a97\u8b66\u544a\u4f1a\u901a\u8fc7\u5176\u4ed6\u6e20\u9053\u53d1\u5e03\uff1bSG Alert \u65e0\u6cd5\u9009\u62e9\u9000\u51fa\u7684\u8bbe\u8ba1\uff0c\u662f\u4e3a\u4e86\u5e94\u5bf9**\u5371\u53ca\u751f\u547d\u5b89\u5168\u7684\u7d27\u6025\u60c5\u51b5**\uff0c\u800c\u975e\u7528\u4e8e\u8425\u9500\u3002\n\n## \u5e38\u89c1\u68c0\u7d22\u9519\u8bef\n\n\u5e38\u89c1\u9519\u8bef\u5305\u62ec\uff1a\u628a **2026 \u5e74\u4e94\u6708**\u6d4b\u8bd5\u8b66\u62a5\u5f53\u4f5c\u771f\u5b9e\u4e8b\u6545\u6307\u793a\uff0c\u5374\u4e0d\u9605\u8bfb\u8baf\u606f\u6b63\u6587\uff1b\u5047\u8bbe**\u6bcf\u5bb6 MVNO**\u5728\u5176\u6240\u5c5e\u7684\u79fb\u52a8\u7f51\u7edc\u8fd0\u8425\u5546\u63a5\u5165\u670d\u52a1\u524d\u90fd\u80fd\u6536\u5230\u8b66\u62a5\uff1b\u628a **\u201c\u603b\u7edf\u8b66\u62a5\u201d**\u6807\u9898\u4e0e\u65e0\u5173\u7684\u5916\u56fd\u7cfb\u7edf\u6df7\u6dc6\uff1b\u6216\u628a\u6536\u5230 SG Alert \u5f53\u4f5c\u5df2\u5c65\u884c**\u907f\u96be\u6240\u8d23\u4efb**\u6216**\u6d88\u9632\u8bc1\u4e66**\u4e49\u52a1\u7684\u8bc1\u660e\u3002\u5b9e\u7528\u89c4\u5219\uff1a**\u9605\u8bfb SG Alert \u6587\u5b57\u5e76\u6309\u5176\u4e2d\u7684\u9632\u62a4\u884c\u52a8\u884c\u4e8b\uff1b\u6309\u7167\u8b66\u62a5\u5668\u907f\u96be\u539f\u5219\u9075\u5faa\u516c\u5171\u8b66\u62a5\u7cfb\u7edf\u8b66\u62a5\/\u89e3\u9664\u8b66\u62a5\u6307\u793a\uff1b\u4e2a\u4eba\u7d27\u6025\u60c5\u51b5\u62e8\u6253 995\/999\uff1b\u6309\u7167\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u516c\u5e03\u7684\u6e05\u5355\u66f4\u65b0\u624b\u673a\u64cd\u4f5c\u7cfb\u7edf**\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff1b[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u516c\u5171\u8b66\u62a5\u7cfb\u7edf\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/public-warning-system)\uff09\u3002"}},"title_en":"SG Alert Emergency Broadcasts","title_zh":"SG Alert \u7d27\u6025\u5e7f\u64ad","source_id":"sgkb.public-safety.sg-alert-emergency-broadcasts","input_hash":"2ba6ceb218af3d6f69e1cc98ab9d62453168024fef81ca1a4b8223e9c239bf97","summary_en":"SG Alert is SCDF's cell-broadcast emergency alert for crises such as major fires or terror incidents; it complements PWS and broadcast media, cannot be opted out of, and was phased in from a 10 May 2026 SingTel islandwide test toward StarHub, M1 and SIMBA by mid-2027.","summary_zh":"SG Alert \u662f\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u901a\u8fc7\u5c0f\u533a\u5e7f\u64ad\u53d1\u9001\u7684\u7d27\u6025\u8b66\u62a5\uff0c\u7528\u4e8e\u91cd\u5927\u706b\u707e\u6216\u6050\u6016\u4e8b\u4ef6\u7b49\u5371\u673a\uff1b\u5b83\u4e0e\u516c\u5171\u8b66\u62a5\u7cfb\u7edf\u53ca\u5e7f\u64ad\u5a92\u4f53\u4e92\u4e3a\u8865\u5145\uff0c\u7528\u6237\u65e0\u6cd5\u9009\u62e9\u9000\u51fa\uff0c\u5e76\u4e8e 2026 \u5e74\u4e94\u6708 10 \u65e5\u8d77\u901a\u8fc7 SingTel \u5168\u5c9b\u6d4b\u8bd5\u9010\u6b65\u63a8\u884c\uff0c\u76ee\u6807\u662f\u5728 2027 \u5e74\u5e74\u4e2d\u524d\u8986\u76d6 StarHub\u3001M1 \u548c SIMBA\u3002","bundle_sha256":"a40766305abc16909d8c0ebc8231c31596ff8547264a43ae958159f718ddfa5e","evidence_paths":["source\/public-safety\/sg-alert-emergency-broadcasts.md","artefacts\/retrieval-chunks.jsonl","artefacts\/document-classification.jsonl"],"expected_version":0},"search_text":"SG Alert Emergency Broadcasts\nSG Alert \u7d27\u6025\u5e7f\u64ad\nSG Alert is SCDF's cell-broadcast emergency alert for crises such as major fires or terror incidents; it complements PWS and broadcast media, cannot be opted out of, and was phased in from a 10 May 2026 SingTel islandwide test toward StarHub, M1 and SIMBA by mid-2027.\nSG Alert \u662f\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u901a\u8fc7\u5c0f\u533a\u5e7f\u64ad\u53d1\u9001\u7684\u7d27\u6025\u8b66\u62a5\uff0c\u7528\u4e8e\u91cd\u5927\u706b\u707e\u6216\u6050\u6016\u4e8b\u4ef6\u7b49\u5371\u673a\uff1b\u5b83\u4e0e\u516c\u5171\u8b66\u62a5\u7cfb\u7edf\u53ca\u5e7f\u64ad\u5a92\u4f53\u4e92\u4e3a\u8865\u5145\uff0c\u7528\u6237\u65e0\u6cd5\u9009\u62e9\u9000\u51fa\uff0c\u5e76\u4e8e 2026 \u5e74\u4e94\u6708 10 \u65e5\u8d77\u901a\u8fc7 SingTel \u5168\u5c9b\u6d4b\u8bd5\u9010\u6b65\u63a8\u884c\uff0c\u76ee\u6807\u662f\u5728 2027 \u5e74\u5e74\u4e2d\u524d\u8986\u76d6 StarHub\u3001M1 \u548c SIMBA\u3002\n{\"aliases\":[\"SG Alert\",\"cell broadcast emergency alert Singapore\",\"Presidential alert header\"],\"classification_confidence\":\"medium\",\"classification_source\":\"domain-default\",\"document_id\":\"sgkb.public-safety.sg-alert-emergency-broadcasts\",\"document_sha256\":\"ccc9e5761565e9e1b6d112f65577d1ee3b4a7467dfad8e0205c3be817bb07c1b\",\"document_type\":\"article\",\"domain\":\"public-safety\",\"entities\":[\"sg.agency.scdf\",\"sg.agency.imda\"],\"facets\":[\"current\",\"institution\",\"policy\",\"procedure\",\"resident-life\"],\"geographic_scope\":[\"national\"],\"jurisdiction\":\"SG\",\"language\":\"en\",\"last_verified\":\"2026-10-14\",\"path\":\"public-safety\\\/sg-alert-emergency-broadcasts.md\",\"related\":[],\"sources\":[{\"accessed\":\"2026-10-14\",\"title\":\"SCDF \u2014 Emergency Alert (SG Alert)\",\"url\":\"https:\\\/\\\/www.scdf.gov.sg\\\/home\\\/civil-defence-shelter\\\/emergency-alert-(sg-alert)\"},{\"accessed\":\"2026-10-14\",\"title\":\"SCDF \u2014 Public Warning System\",\"url\":\"https:\\\/\\\/www.scdf.gov.sg\\\/home\\\/civil-defence-shelter\\\/public-warning-system\"}],\"status\":\"verified\",\"summary\":\"SG Alert is SCDF's cell-broadcast emergency alert for crises such as major fires or terror incidents; it complements PWS and broadcast media, cannot be opted out of, and was phased in from a 10 May 2026 SingTel islandwide test toward StarHub, M1 and SIMBA by mid-2027.\",\"tags\":[\"agency\",\"how-to\",\"concept\",\"policy\"],\"temporal_scope\":\"current\",\"title\":\"SG Alert Emergency Broadcasts\",\"topics\":[\"sgtopic.public-safety\",\"sgtopic.public-safety.civil-defence\",\"sgtopic.public-safety.sg-alert\",\"sgtopic.public-safety.shelters-warning\"],\"volatility\":\"fast\"}\n# SG Alert Emergency Broadcasts\n\n**SG Alert** is the Singapore Civil Defence Force's **mass emergency alert** for crises such as **major fires, chemical incidents, or terror-related events**, designed so the public can take **immediate protective action** ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). SG Alert uses **cell broadcast** to push pop-up messages **without mobile data** and **without collecting personal information**, and can be activated **islandwide** or in **geographic zones** ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). It complements the **Public Warning System (PWS)**, free-to-air TV and radio, social media, and **SGSecure** \u2014 it does not replace **995**, **999**, or PWS **Alarm** shelter instructions ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert)); [civil defence preparedness](\/en\/knowledge\/article\/sgkb.public-safety.civil-defence-preparedness), [improvised cover at home](\/en\/knowledge\/article\/sgkb.public-safety.improvised-cover-at-home)).\n\n## Rollout, testing, and operator timetable\n\nSCDF conducted an **islandwide public test** on **Sunday, 10 May 2026 at 12 p.m.** for **SingTel** network users (including **SingTel-hosted MVNOs** such as Gomo, VIVIFI, Zero1, and Zym mobile) and **foreign visitors** on those networks, including **data-only eSIM** plans, to validate performance before phased operationalisation ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). SCDF, **HTX**, and the **Infocomm Media Development Authority** work with mobile network operators on rollout; SCDF targets **StarHub by end-2026**, then **M1 and SIMBA by mid-2027** ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). Staggering accounts for different operator technical setups ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))).\n\nUntil each operator is onboarded, users on other networks may not receive SG Alert even during emergencies in the affected zone. Market structure and MVNO hosting are summarised in [telco and internet](\/en\/knowledge\/article\/sgkb.daily-life.telco-and-internet); SG Alert availability is an **operator-readiness** fact, not a universal constant across every SIM on day one.\n\n## What users see and how alerts behave\n\nTest and live alerts appear as a **pop-up** with header **\"SG Alert\"**, a **unique tone and vibration** lasting up to **10 seconds**, bypassing **Do Not Disturb** and silent mode ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). Some handsets may show **\"Presidential alert\"** instead of **\"SG Alert\"** because of compatibility issues; SCDF states the **content is the same** and that it is working to regularise the header ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))).\n\nMessages are meant to carry a **brief incident description**, **affected location(s)**, **protective actions**, and **official links** ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). Alerts can be issued in **English** and the user's **preferred mobile language** among Singapore's four official languages; devices set to other languages receive **English** ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). SG Alert is **free**, **not unsubscribable**, and does not require app downloads ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). It can override an **ongoing call** with a full-screen pop-up ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))).\n\nSCDF states supported phones need the **latest operating system in Singapore**, citing **Apple iOS 26.4** or **Google Android 12 and above** with the latest Google Play system update as examples on the SG Alert page ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). **Tablets and cellular smart watches** may receive alerts but the service is **intended for mobile phones** ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). OS requirements are volatile; check SCDF's page before relying on a specific version threshold.\n\n## SG Alert versus PWS, SGSecure, and emergency hotlines\n\n**PWS** uses fixed sirens with **Alarm**, **All Clear**, and **Important Message** signals; annual **Important Message** familiarisation soundings on **15 February** and **15 September** at **6:20 p.m.** are not evacuation orders ([SCDF PWS, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/public-warning-system)). **SG Alert** targets phone screens for **immediate-action** civil-defence or major-incident messaging and may carry richer text than a siren alone ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). **SGSecure** remains a separate app-based vigilance and roadshow channel ([sgsecure campaign 2026](\/en\/knowledge\/article\/sgkb.public-safety.sgsecure-campaign-2026)).\n\nSG Alert is **only for emergencies requiring immediate public protective action**, not for routine government messaging or commercial alerts ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))). A personal medical emergency still requires **995**; immediate police danger requires **999** ([emergency services and safety](\/en\/knowledge\/article\/sgkb.daily-life.emergency-services-and-safety)). Government scam warnings use other channels; SG Alert's no-opt-out design is for **life-safety emergencies**, not marketing.\n\n## Common retrieval mistakes\n\nErrors include treating a **May 2026 test alert** as a real incident instruction without reading the body, assuming **every MVNO** received alerts before its host MNO rollout, confusing **Presidential alert** headers with unrelated foreign systems, or using SG Alert receipt as proof that **shelter obligations** or **Fire Certificate** duties are satisfied. Practical rule: **read SG Alert text and follow its protective actions; use PWS Alarm\/All Clear for siren-based shelter doctrine; dial 995\/999 for personal emergencies; keep phone OS updated per SCDF's published list** ([SCDF SG Alert, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert)); [SCDF PWS, accessed Oct 2026](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/public-warning-system)).\n# SG Alert \u7d27\u6025\u5e7f\u64ad\n\n**SG Alert**\u662f\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u4e3a**\u91cd\u5927\u706b\u707e\u3001\u5316\u5b66\u4e8b\u6545\u6216\u6050\u6016\u4e3b\u4e49\u76f8\u5173\u4e8b\u4ef6**\u7b49\u5371\u673a\u5236\u5b9a\u7684**\u5927\u89c4\u6a21\u7d27\u6025\u8b66\u62a5**\uff0c\u65e8\u5728\u8ba9\u516c\u4f17\u91c7\u53d6**\u5373\u65f6\u9632\u62a4\u884c\u52a8**\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002SG Alert \u4f7f\u7528**\u5c0f\u533a\u5e7f\u64ad**\u63a8\u9001\u5f39\u51fa\u5f0f\u8baf\u606f\uff0c**\u65e0\u9700\u79fb\u52a8\u6570\u636e**\uff0c\u4e5f**\u4e0d\u4f1a\u6536\u96c6\u4e2a\u4eba\u4fe1\u606f**\uff0c\u5e76\u53ef\u5728**\u5168\u5c9b**\u6216**\u5730\u7406\u533a\u57df**\u8303\u56f4\u5185\u542f\u52a8\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\u5b83\u4e0e**\u516c\u5171\u8b66\u62a5\u7cfb\u7edf\uff08PWS\uff09**\u3001\u514d\u8d39\u65e0\u7ebf\u7535\u89c6\u548c\u7535\u53f0\u3001\u793e\u4ea4\u5a92\u4f53\u53ca **SGSecure** \u4e92\u4e3a\u8865\u5145\uff0c\u4f46\u4e0d\u80fd\u53d6\u4ee3 **995**\u3001**999** \u6216\u516c\u5171\u8b66\u62a5\u7cfb\u7edf\u7684**\u8b66\u62a5**\u907f\u96be\u6307\u793a\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff1b[\u6c11\u9632\u51c6\u5907\u5de5\u4f5c](\/zh\/knowledge\/article\/sgkb.public-safety.civil-defence-preparedness)\u3001[\u5bb6\u4e2d\u4e34\u65f6\u63a9\u62a4](\/zh\/knowledge\/article\/sgkb.public-safety.improvised-cover-at-home)\uff09\u3002\n\n## \u63a8\u884c\u3001\u6d4b\u8bd5\u4e0e\u7535\u4fe1\u8fd0\u8425\u5546\u65f6\u95f4\u8868\n\n\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u4e8e **2026 \u5e74\u4e94\u6708 10 \u65e5\u661f\u671f\u65e5\u4e2d\u5348 12 \u65f6**\uff0c\u4e3a **SingTel** \u7f51\u7edc\u7528\u6237\uff08\u5305\u62ec\u4f7f\u7528 **SingTel** \u7f51\u7edc\u7684\u865a\u62df\u79fb\u52a8\u7f51\u7edc\u8fd0\u8425\u5546\uff08MVNO\uff09\uff0c\u4f8b\u5982 Gomo\u3001VIVIFI\u3001Zero1 \u548c Zym mobile\uff09\u4ee5\u53ca\u4f7f\u7528\u8fd9\u4e9b\u7f51\u7edc\u7684\u5916\u56fd\u8bbf\u5ba2\u8fdb\u884c**\u5168\u5c9b\u516c\u5f00\u6d4b\u8bd5**\uff0c\u5176\u4e2d\u5305\u62ec**\u4ec5\u4f7f\u7528\u6570\u636e\u7684 eSIM** \u914d\u5957\uff0c\u4ee5\u4fbf\u5728\u5206\u9636\u6bb5\u6295\u5165\u8fd0\u884c\u524d\u9a8c\u8bc1\u7cfb\u7edf\u8868\u73b0\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u3001**HTX** \u548c**\u8d44\u8baf\u901a\u4fe1\u5a92\u4f53\u53d1\u5c55\u5c40**\u4e0e\u79fb\u52a8\u7f51\u7edc\u8fd0\u8425\u5546\u5408\u4f5c\u63a8\u884c\u670d\u52a1\uff1b\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u7684\u76ee\u6807\u662f\u5728 **2026 \u5e74\u5e95\u524d**\u8986\u76d6 **StarHub**\uff0c\u968f\u540e\u5728 **2027 \u5e74\u5e74\u4e2d\u524d**\u8986\u76d6 **M1** \u548c **SIMBA**\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\u5206\u9636\u6bb5\u63a8\u51fa\u662f\u4e3a\u4e86\u914d\u5408\u4e0d\u540c\u8fd0\u8425\u5546\u7684\u6280\u672f\u914d\u7f6e\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\n\n\u5728\u6bcf\u5bb6\u8fd0\u8425\u5546\u63a5\u5165\u670d\u52a1\u4e4b\u524d\uff0c\u5176\u4ed6\u7f51\u7edc\u7684\u7528\u6237\u5373\u4f7f\u8eab\u5904\u53d7\u5f71\u54cd\u533a\u57df\uff0c\u4e5f\u53ef\u80fd\u6536\u4e0d\u5230 SG Alert\u3002\u6709\u5173\u5e02\u573a\u7ed3\u6784\u548c MVNO \u4f7f\u7528\u54ea\u5bb6\u7f51\u7edc\u7684\u4fe1\u606f\uff0c\u89c1[\u7535\u4fe1\u4e0e\u4e92\u8054\u7f51](\/zh\/knowledge\/article\/sgkb.daily-life.telco-and-internet)\uff1bSG Alert \u662f\u5426\u53ef\u7528\u53d6\u51b3\u4e8e**\u8fd0\u8425\u5546\u662f\u5426\u5df2\u51c6\u5907\u5c31\u7eea**\uff0c\u5e76\u975e\u6240\u6709 SIM \u4ece\u7b2c\u4e00\u5929\u8d77\u90fd\u80fd\u4f7f\u7528\u7684\u56fa\u5b9a\u4e8b\u5b9e\u3002\n\n## \u7528\u6237\u770b\u5230\u7684\u5185\u5bb9\u53ca\u8b66\u62a5\u8fd0\u4f5c\u65b9\u5f0f\n\n\u6d4b\u8bd5\u548c\u5b9e\u9645\u8b66\u62a5\u4f1a\u4ee5\u5f39\u51fa\u5f0f\u8baf\u606f\u663e\u793a\uff0c\u6807\u9898\u4e3a **\u201cSG Alert\u201d**\uff0c\u5e76\u4f34\u6709**\u72ec\u7279\u7684\u63d0\u793a\u97f3\u548c\u632f\u52a8**\uff0c\u6301\u7eed\u6700\u957f **10 \u79d2**\uff0c\u800c\u4e14\u4f1a\u8986\u76d6**\u52ff\u6270\u6a21\u5f0f**\u548c\u9759\u97f3\u6a21\u5f0f\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\u7531\u4e8e\u517c\u5bb9\u6027\u95ee\u9898\uff0c\u90e8\u5206\u624b\u673a\u53ef\u80fd\u663e\u793a **\u201c\u603b\u7edf\u8b66\u62a5\u201d**\uff0c\u800c\u4e0d\u662f **\u201cSG Alert\u201d**\uff1b\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u8868\u793a\uff0c**\u4e24\u8005\u5185\u5bb9\u76f8\u540c**\uff0c\u5e76\u6b63\u7740\u624b\u7edf\u4e00\u6807\u9898\u663e\u793a\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\n\n\u8baf\u606f\u65e8\u5728\u7b80\u8981\u8bf4\u660e**\u4e8b\u6545\u60c5\u51b5**\u3001**\u53d7\u5f71\u54cd\u5730\u70b9**\u3001**\u9632\u62a4\u884c\u52a8**\u548c**\u5b98\u65b9\u94fe\u63a5**\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\u8b66\u62a5\u53ef\u4f7f\u7528**\u82f1\u8bed**\u4ee5\u53ca\u7528\u6237\u9009\u62e9\u7684\u65b0\u52a0\u5761\u56db\u79cd\u5b98\u65b9\u8bed\u8a00\u4e4b\u4e00\u4f5c\u4e3a**\u624b\u673a\u9996\u9009\u8bed\u8a00**\u53d1\u9001\uff1b\u8bbe\u5907\u82e5\u8bbe\u4e3a\u5176\u4ed6\u8bed\u8a00\uff0c\u5219\u4f1a\u6536\u5230**\u82f1\u8bed**\u8b66\u62a5\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002SG Alert **\u514d\u8d39**\u3001**\u65e0\u6cd5\u53d6\u6d88\u8ba2\u9605**\uff0c\u4e5f\u65e0\u9700\u4e0b\u8f7d\u5e94\u7528\u7a0b\u5e8f\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\u5982\u679c\u7528\u6237\u6b63\u5728\u901a\u8bdd\uff0c\u8b66\u62a5\u4e5f\u53ef\u80fd\u4ee5\u5168\u5c4f\u5f39\u51fa\u5f0f\u8baf\u606f**\u4e2d\u65ad\u901a\u8bdd**\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert)\uff09\u3002\n\n\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u6307\u51fa\uff0c\u53d7\u652f\u6301\u7684\u624b\u673a\u987b\u5728\u65b0\u52a0\u5761\u4f7f\u7528**\u6700\u65b0\u64cd\u4f5c\u7cfb\u7edf**\uff1bSG Alert \u9875\u9762\u4ee5 **Apple iOS 26.4** \u6216 **Google Android 12 \u53ca\u4ee5\u4e0a\u7248\u672c**\uff0c\u5e76\u5b89\u88c5\u6700\u65b0 Google Play \u7cfb\u7edf\u66f4\u65b0\u4e3a\u4f8b\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002**\u5e73\u677f\u7535\u8111\u548c\u5177\u5907\u8702\u7a9d\u7f51\u7edc\u529f\u80fd\u7684\u667a\u80fd\u624b\u8868**\u53ef\u80fd\u4f1a\u6536\u5230\u8b66\u62a5\uff0c\u4f46\u670d\u52a1\u7684**\u76ee\u6807\u8bbe\u5907\u662f\u624b\u673a**\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002\u64cd\u4f5c\u7cfb\u7edf\u8981\u6c42\u53ef\u80fd\u53d8\u5316\uff1b\u4f9d\u8d56\u67d0\u4e2a\u5177\u4f53\u7248\u672c\u95e8\u69db\u524d\uff0c\u8bf7\u67e5\u770b\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u7684\u9875\u9762\u3002\n\n## SG Alert\u3001\u516c\u5171\u8b66\u62a5\u7cfb\u7edf\u3001SGSecure \u4e0e\u7d27\u6025\u70ed\u7ebf\u7684\u533a\u522b\n\n**\u516c\u5171\u8b66\u62a5\u7cfb\u7edf\uff08PWS\uff09**\u901a\u8fc7\u56fa\u5b9a\u8b66\u62a5\u5668\u53d1\u51fa**\u8b66\u62a5**\u3001**\u89e3\u9664\u8b66\u62a5**\u548c**\u91cd\u8981\u8baf\u606f**\u4fe1\u53f7\uff1b\u6bcf\u5e74 **\u4e8c\u6708 15 \u65e5**\u548c **\u4e5d\u6708 15 \u65e5**\u4e0b\u5348 **6:20** \u64ad\u653e\u7684**\u91cd\u8981\u8baf\u606f**\u719f\u6089\u6f14\u7ec3\uff0c\u5e76\u975e\u758f\u6563\u547d\u4ee4\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f\u516c\u5171\u8b66\u62a5\u7cfb\u7edf\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/public-warning-system)\uff09\u3002**SG Alert**\u9762\u5411\u624b\u673a\u5c4f\u5e55\uff0c\u7528\u4e8e\u4f20\u8fbe\u6c11\u9632\u6216\u91cd\u5927\u4e8b\u6545\u7684**\u5373\u65f6\u884c\u52a8**\u8baf\u606f\uff0c\u5176\u6587\u5b57\u5185\u5bb9\u53ef\u80fd\u6bd4\u5355\u72ec\u7684\u8b66\u62a5\u5668\u4fe1\u53f7\u66f4\u4e30\u5bcc\uff08[\u65b0\u52a0\u5761\u6c11\u9632\u90e8\u961f SG Alert\uff0c\u67e5\u9605\u4e8e 2026 \u5e74\u5341\u6708](https:\/\/www.scdf.gov.sg\/home\/civil-defence-shelter\/emergency-alert-(sg-alert))\uff09\u3002**SGSecure**\u4ecd\u662f\u72ec\u7acb\u7684\u5e94\u7528\u7a0b\u5e8f\u5f0f\u8b66\u89c9\u610f\u8bc6\u548c\u5de1\u56de\u6d3b\u52a8\u5ba3\u4f20\u6e20\u9053\uff08[2026 \u5e74 SGSecure \u5ba3\u5bfc\u6d3b\u52a8](\/zh\/knowledge\/article\/sgkb.public-safety.sgsecure-campaign-2026)\uff09\u3002\n\nSG Alert 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