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TRAI has clarified its guidelines on SIM card deactivation due to inactivity, providing relief to prepaid users.

If you've ever called your carrier's customer service to activate a prepaid SIM card or troubleshoot a malfunctioning Android ...

Noticing a loophole in the registration system for subscriber identity module (SIM) cards, a mobile phone retailer exploited ...

You can activate your AT&T SIM in-store, online, or by contacting customer service. The process is similar for postpaid and AT&T prepaid customers.

Each user could register no more than three prepaid SIM cards with each of Hong Kong’s 30 or so telecom companies, the paper suggested. Why people are leaving WhatsApp for Signal and Telegram ...