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 ...

Activate your iPhone back to AT&T if the SIM card you insert after you install blackra1n onto the device doesn't work properly. Blackra1n is a third-party program that "jailbreaks" SIM-bearing iPhones ...

You generally can't use an Apple iPhone on a cell network if it's never been activated with such a network, although once it is activated you can remove your SIM card or simply never connect to the ...

eSIMs are catching on with carriers, even budget-minded providers like Cricket Wireless. Assuming you’ve got a compatible phone, here’s how to activate a Cricket eSIM, transfer one to a new phone, or ...

As mobile technology continues to evolve, eSIMs are becoming a popular alternative to traditional SIM cards. Unlike a physical SIM card that you insert into your phone, an eSIM is built right into ...

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 ...

No matter if you're coming to China for a short or long term, getting a local SIM card will save you a lot of time, money, and energy. Not only it will provide you with more affordable mobile data ...

Tired of swapping SIM cards every time you land? It might be time to switch to an eSIM, the modern travellers best-kept secret. Activating a Vodafone Idea (Vi) SIM is a straightforward process, ...

Embedded SIM, or eSIM, is a technology that has been available on mobile phones for years. Instead of fiddling with a tiny, physical SIM card, you can add a cellular plan electronically via SIM ...

The Nigerian Communications Commission (NCC) has explained why some telecommunications subscribers who previously linked SIM cards to their National Identification Numbers (NINs) have their mobile ...