The government tested “emergency alerts” on millions of phones across the UK yesterday (September 7).

The sound, which rang out at 3pm, was the second-ever trial of the government programme.

Some people will have manually opted out of the alerts – Isabelle Younane, head of external affairs at Women’s Aid, previously told HuffPost UK that “an emergency alert could risk an abuser discovering the phone and cutting off a vital lifeline, putting lives in danger”.

This is a risk the government was also aware of; so it shared how to opt out of emergency alerts for both iPhone and Android phones.

But if you didn’t opt out of the alerts and noticed your phone did not ring yesterday, you might be wondering........

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