A passcode is your iPhone's first line of defense against unwanted access when your phone is stolen. Apple lets you set four-digit or six-digit passcodes for phone security, and if you really want to ...

An iPhone bug that Apple Inc. patched last January to stop unauthorized users from bypassing the password-protected locking feature has resurfaced in newer versions of the phone’s software. The bug ...

So your iPhone says "iPhone Unavailable" on the lock screen and doesn't let you enter a passcode to get in? Don't worry. This page shows you how to fix and unlock an unavailable iPhone. When ...