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

Want to use your Galaxy Note 8 on any carrier you want? Here's how to SIM unlock the Galaxy Note 8 right from home.

There are other ways to bypass iPhone SIM lock, but most of them require a bit more hassle. You can use IMEI unlock service or UnlockBoot online service, but it can be quite pricey.

Guide to unlock Galaxy Note 3 SIM for free. Samsung Galaxy Note 3 users who wish to unlock their SIM, which is locked to a particular network, may follow our step-by-step guide.

Unlike most providers, AT&T requires more steps and legwork to unlock your iOS device. Simply placing a new SIM card in an AT&T-locked iPhone won’t unlock it either.

You will have to go in for unlocking factory SIM carrier lock on iPhone 6 and iPhone 7. The two iPhones – iPhone 6 and iPhone 7 – are usually locked to one of these networks: O2, Vodafone or EE.

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

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#.

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 ...