![Expect your mobile to go off at 3pm on Sunday as new emergency alerts are tested - here's which phones will ring and what it'll sound like Expect your mobile to go off at 3pm on Sunday as new emergency alerts are tested - here's which phones will ring and what it'll sound like](https://www.moneysavingexpert.com/content/dam/dv-emergency-alert-warning.png.rendition.320.320.png)
Expect your mobile to go off at 3pm on Sunday as new emergency alerts are tested - here's which phones will ring and what it'll sound like
![Sound that could save your life': UK disaster alert to buzz phones on 23 April | Emergency services | The Guardian Sound that could save your life': UK disaster alert to buzz phones on 23 April | Emergency services | The Guardian](https://i.guim.co.uk/img/media/e0a7861c8feb45c1d8c219de99317fea914d25ec/0_0_1575_945/master/1575.jpg?width=1200&height=1200&quality=85&auto=format&fit=crop&s=d64d2ba85536ef841102e3bbcd47f009)
Sound that could save your life': UK disaster alert to buzz phones on 23 April | Emergency services | The Guardian
![Emergency alert alarm to sound on 23rd April in test that will trigger phones on silent – but Android and iPhone users can opt out Emergency alert alarm to sound on 23rd April in test that will trigger phones on silent – but Android and iPhone users can opt out](https://www.advertiserandtimes.co.uk/_media/img/CD0EGLTBUB6L21VPAMLO.jpg)
Emergency alert alarm to sound on 23rd April in test that will trigger phones on silent – but Android and iPhone users can opt out
![Armageddon' emergency phone alert test prompts do not to use online banking or WhatsApp warning - Nottinghamshire Live Armageddon' emergency phone alert test prompts do not to use online banking or WhatsApp warning - Nottinghamshire Live](https://i2-prod.nottinghampost.com/incoming/article8320559.ece/ALTERNATES/s1200c/0_WhatsApp-Image-2023-04-04-at-080121jpeg.jpg)
Armageddon' emergency phone alert test prompts do not to use online banking or WhatsApp warning - Nottinghamshire Live
![Cabinet Office on X: "🚨 At 3pm on Sunday 23 April, there will be a national test of the UK Emergency Alerts service. As we have seen in other countries, Emergency Alerts Cabinet Office on X: "🚨 At 3pm on Sunday 23 April, there will be a national test of the UK Emergency Alerts service. As we have seen in other countries, Emergency Alerts](https://pbs.twimg.com/media/FtBUnUSWYAAReZ9.png:large)