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Emergency alerts are being tested - this is when and why
Emergency alerts will be blare from millions of mobile phones next week 🚨 The test will mark the second time the national emergency alert system has been tested, with the first taking place in 2023. Mobile phones connected to 4G and 5G networks will vibrate and emit a siren sound for up to 10 seconds. This is why it's being tested - and what ...
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