Switching or getting a New iPhone but want to keep everything you had before? For those who know it may be obvious but their are plenty of people that could miss that micro hole on the side as with ...

The subscriber identity module -- SIM -- contains the information used to connect to your wireless carrier's network from your iPhone 4. If you are planning to resell your company's iPhones, you ...

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 ...

Phone suddenly showing "No SIM" or "Invalid SIM"? Don't panic, there are a few quick checks that can get you reconnected fast.

The newer eSIM technology, which is quickly becoming the standard on high-end phones, is safer and more convenient.

It is worth mentioning that if you have purchased an iPhone 14 in the United States the latest range of iPhone 14 devices from Apple are not equipped with physical SIM trays, but uses a digital eSIM ...

TAIPEI, TAIWAN - 2020/11/14: Apple iPhone 12 mini seen on display at an Apple store after the launch of the new iPhone 12 series smartphones. (Photo by Walid Berrazeg/SOPA Images/LightRocket via Getty ...

Whether you're selling your old iPhone , trading it in for a new model, or sending it away for repairs, it's important that you remove the phone's SIM card. A SIM card or Subscriber Identity Module ...