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International Business Times UK
International Business Times UK
National
Rohit David

When Is the UK Emergency Alert Test? Date, How to Prepare, and Why the Aftermath Has People Concerned

UK’s Emergency Alert Test on 7 Sept 2025 at 3pm will sound sirens on phones. (Credit: Tima Miroshnichenko : Pexels)

The UK government is preparing for the second nationwide test of its Emergency Alerts system, scheduled for 7 September 2025 at 3:00 PM BST.

Mobile phones on 4G and 5G networks will emit a loud siren-like sound and vibrate for up to 10 seconds, displaying a test message to ensure the system's reliability.

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