You can unlock your Android phone even if you've forgotten the passcode, but you'll usually need to factory reset the phone. You can unlock most Android phones by performing a factory recovery or ...

Learn how to unlock an iPhone without a passcode before you're stuck. You never know when these methods will come in handy.

You should use a strong Lock Screen passcode to ensure thieves can't observe you entering your PIN and then stealing your iPhone. And we've shown you how to set up a stronger iPhone Lock Screen ...