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 use with caution. I've ...

Explore 26 essential iPhone gestures you may not know, including: - Safari swipe through tabs - Shake to undo - Quick select items - Maps one finger zoom - Type to Siri - Photos quick select and drag ...