ZDNET's key takeaways Use these codes to forward calls, pay your bill, check balances, etc.Some of the codes work only on certain carriers or devices.One of the codes also might erase your data, so ...

If you’ve had a smartphone for any amount of time, you’ve no doubt heard of the term “unlocking” your phone. And we’re not talking about your phone’s passcode to access the home screen — we’re talking ...

One common issue that some users face is their new phone not accepting their SIM card, requiring an unlock code. We will cover various methods to obtain the unlock code and troubleshoot your SIM card ...

You can switch to another wireless provider without buying a new phone. Here’s how. By Courtney Lindwall Switching to a new cell phone service provider can save you hundreds of dollars per year—and ...

Three has made the phone unlocking process very simple. All you have to do is fill out the device unlock form. You will be able to unlock the phone for free. Once you fill out the form, an unlock code ...

Can any Vodafone phone be unlocked? The good news is that any Vodafone U.K. customer can unlock their phones. In fact, you may find your device already unlocked in some cases. What is Voxi? Vodafone's ...