At present, most messaging apps verify users through a one-time password (OTP) sent to their mobile number during registration. Once verified, the app can continue to function even if the SIM is ...
What is a SIM card used for? A SIM card, or a subscriber identity module/subscriber identification module, is a tiny memory card that contains unique information and is linked to a particular network ...
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SIM binding rule from February 2026: Major change coming for WhatsApp and Telegram users
A major regulatory change is set to impact millions of users of popular messaging and calling applications such as WhatsApp, Telegram, Signal, and Snapchat. The Department of Telecommunications (DoT) ...
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