TRAI mandates a 24-hour SMS block after SIM replacement or eSIM transfer. During this period, UPI apps, OTP-based bank ...

We previously reported that a tiny handful of iPhones shipped without SIM cards, while significantly more units have generated the error message "No SIM card ...

If you've just got your hands on a shiny new Sim card, congratulations. Switching your Sim (the chip that dictates your allowance) can unlock huge savings. Now comes the crucial step of activating it ...

Changing carriers can be exciting. You might get to pick up a new phone, or maybe you want better coverage in your home area. Either way, you have to know how to get set up. Each carrier tackles SIM ...

You may have had AT&T SIM (Subscriber Identity Module) card problems on your iPhone before or received the notification "Airtel SIM not provisioned." This happens sometimes, and the reason is fairly ...

Jason Cipriani is based out of beautiful Colorado and has been covering mobile technology news and reviewing the latest gadgets for the last six years. His work can also be found on sister site CNET ...

SIM: Many people, when purchasing a new SIM, changing their SIM, or switching to an eSIM, think the biggest issue is network ...

Drug dealers. Cheating spouses. Spies. They can all benefit from Ready SIM, a SIM card that self-destructs–well, kind of. The prepaid wireless service, which leverages T-mobile’s network, collects no ...

Telcoms suffered more than $28.3 billion in fraud losses in 2019, which can be attributed to subscription fraud, phishing attacks, robocalling and other types of fraud. False identities are often used ...