What we know about emergency alert message being sent to millions of phones
A 10-second siren will sound on millions of UK mobile phones this year as part of a test of the government's emergency alert ...
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How to turn OFF the Government's 'Armageddon' emergency alert message that is set to sound on every smartphone in the UK
My emergency alert didn't come so I guess I'm ... If all goes as planned this time around, an alarm will produce sound and vibration for up to 10 seconds even if devices are on silent.