
"On Sunday September 7 at around 3pm, mobile phones connected to 4G and 5G networks will vibrate and emit a siren sound for up to 10 seconds. Mobile phone users will also receive a message making clear that the alert is a drill. The British government has used the system to issue real warnings five times, including in January during Storm Eowyn to warn people in Scotland and Northern Ireland about severe weather."
"This emergency alert will look and sound different to other types of messages such as SMS text messages. The alert will be received even if the mobile device is set to 'silent' or 'do not disturb'. Devices do not need to be connected to WiFi or mobile data to get the alert. There is no cause for concern, and no action is needed."
An emergency alert drill will send a test message to mobile phones in the UK on 7 September at 3pm. Mobile phones on 4G and 5G networks will vibrate and emit a siren and display a message stating the alert is a drill. The alert system has issued warnings during Storm Eowyn and Storm Darragh, reaching millions. People near the Republic of Ireland border may also receive the alert. Devices set to silent or do not disturb will still get it. Alerts can be targeted to small areas. Vulnerable people with hidden phones can turn them off or use airplane mode.
Read at Irish Independent
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