When you purchase an iPhone 4, your cellular provider will give you a new micro SIM card to use with your new iPhone. Although the cellular provider will automatically activate the SIM card for use on ...

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 ...

Apple has had support for eSIM since the iPhone Xs/XR, but it has gone all in by ditching the physical SIM card slot for iPhones from version 14 and later sold in the U.S. While models sold in other ...

Roland is a technology enthusiast who loves to tinker and geek out about the latest smartphones, tablets, smartwatches, and other wearables and gadgets. He aims to provide honest reviews and thoughts ...

You’ve just bought yourself an iPhone – welcome to the club! However, while you thought you’d just be able to pop your existing SIM card into your iPhone, you might be wrong. That’s dependant on not ...