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 ...

To unlock your iPhone from its carrier, you'll likely need to contact your carrier directly to cancel your contract.

Major cellular carriers — Verizon, AT&T, T-Mobile, Sprint, and others — typically lock their networks to the iPhone you buy from their stores or pay for via an installment plan. What does that really ...

An iPhone will display “iPhone is Disabled” after you enter the wrong passcodes many times. This situation looks very tricky because you can’t do anything with your iPhone at this time. For this ...

You could access numerous useful iPhone features by typing in a few secret codes on your device. Lots of the codes work whether you have an old or new iPhone and they can let you do things like ...

You can unlock your iPhone with an Apple Watch, which is useful if you're wearing a mask or Face ID can't identify you.

Want to unlock your iPhone with just your voice? Yes, there’s a way to make it happen, as we discovered on TikTok. And no, it doesn’t require you to talk to Siri either. Confused? We’ll show you how ...