India tests new emergency alert SMS for all citizens, it works even without SIM card: Explained
India tested a new emergency alert system using Cell Broadcast technology, sending a loud warning tone and 'Extremely Severe Alert' message to millions of phones across the country. The alert worked even on phones without a SIM card, as it is transmitted by mobile towers to compatible devices in a selected area.
India's new disaster warning system was tested by sending a loud government alert to millions of phones. The message used Cell Broadcast technology, which transmits alerts to all compatible phones in a selected area instantly. This technology is different from regular SMS and works even on phones without a SIM card, as it doesn't rely on subscriber identity. The test alert informed users that India had launched an indigenous disaster alert service and clarified that no action was required. Some users may have missed the alert due to device compatibility issues, low signal zones, or disabled emergency alert settings.
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