What's the SIM unlock policy for Verizon, T-Mobile or AT&T? These are each carrier's current device unlock policy as of 2026.

After you purchase and use your cellphone for an extended period of time, you can change networks. However, the phone that you're currently using may not be offered on that network. If you wish to ...

If you want to take your Galaxy S10 and use it on any carrier network, you’ll have to do a SIM unlock first. In this guide we’ll explain how to SIM unlock the Galaxy S10 or Galaxy S10+ and why you’d ...

We’ve just received word from the iPhoneSIMFree team: they claim that their iPhone SIM unlock solution (which we documented on video here) doesn’t send your iPhone with 1.1.1 Firmware into Activation ...

One of the promoted specifications on the new Apple iPhone 4S is the "world phone" capability, but it isn't quite the world phone that many international travelers who use GSM phones are used too.

If you’re one of the million people who’ve purchased an iPhone since the end of June, you probably signed up with Apple’s exclusive carrier in the U.S., AT&T, when you activated your phone. That means ...

I’ve been keeping up with jailbreaking the iPod Touch here on the Help-Keys, and I know its helped a lot of people to open up their hardware. Make no mistake, the iPod Touch is one of the most ...

If you've just got your hands on a shiny new Sim card, congratulations. Switching your Sim (the chip that dictates your allowance) can unlock huge savings. Now comes the crucial step of activating it ...