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

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

Here's how to unlock a Boost Mobile phone, and what you need to know about Boost's unlocking policies going in.

A major exploit in Google Pixel smartphones has just been revealed, allowing an attacker to unlock and access your smartphone by switching out the SIM card. The issue has been discovered by David ...

The big reason to update to the November security patch is a bug fix for a security issue that can unlock your Pixel lockscreen ...

There was a time when getting a new cellphone felt like signing a mortgage — except with worse terms. You'd walk into 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 ...

Is your iPhone is telling you it doesn't have a SIM card available? Here are some fast and easy things to try before calling your carrier or the Apple Store.

If you have a iPhone 13 or older, your device still has a physical SIM card. Here's a guide on how to remove it.