Switching carriers or using a different SIM card on your iPhone doesn’t have to be complicated. If your device is SIM-locked, ...

If you’ve bought a cellular iPad from someone other than Apple, you may later find that the iPad is locked to a particular network. If you insert a SIM from a ...

Having a carrier-locked phone can make it difficult if you want to sell your phone or move carriers. Here are a few ways to tell the status on your iPhone.

To check if your Android phone is unlocked, try swapping in another SIM card or test your network settings. If calls work, ...

The new Samsung Galaxy Note 5 requires a nano SIM card for you to place calls, access the Internet, download applications, and share photos over your network service ...

Apple's titanium Apple Card has a traditional magstripe on the back and a built-in chip, but unlike typical credit cards, there's no card number or expiration date on the front, and no CVV or ...