In this guide we’ll show you how to SIM unlock the Galaxy S9 so you can use it on different carrier networks. That way if you bought the Galaxy S9+ from AT&T, you can still take it to T-Mobile ...

4. Enter unlock code Once AT&T emails you the 20-digit unlock code, you can enter it on your Nokia Lumia 1520 device. Go to the phone dialer and tap ##7820#.

In our forums, quite a few owners of the Nokia Lumia 1020 have had success in purchasing the device, mostly from Microsoft Stores, and getting AT&T to give them unlock codes.

Unlocking your AT&T Samsung Galaxy S5 can provide you with the freedom to use your device with any carrier, anywhere in the world. But how exactly do you go about this process? This guide will walk ...

As we make clear on our website, if we have the unlock code or can reasonably get it from the manufacturer, AT&T currently will unlock a device for any customer whose account has been active for ...

Sprint’s unlock will not open your phone–even if it has a GSM radio–to work on rival American carriers, like T-Mobile and AT&T.

Starting Sunday, AT&T, once the exclusive provider of Apple’s iPhone in the U.S., will unlock select iPhones to allow the devices to be used with other carriers.

If you have bought an AT&T iPhone 5 without a contract over the past few days, chances are that you want to unlock it to use it on another carrier. The traditional process involves filling out an ...

AT&T offers to unlock your out-of-contract iPhone, giving you more flexibility and options.