Press the side button for instant activation, or simply raise your iPhone to trigger the raise-to-wake feature ...

If security is essential for you, you might have chosen to add and enable a PIN code for your SIM card on your iPhone. That means that each time you turn your iPhone on, it asks you to unlock the SIM ...

Your iPhone has secret codes you can plug into the dialer to access hidden options. These codes "interrogate" the phone to ...

SIM locks are used to ensure subscribers finish their service contracts. If the contract period is over, the phone may be unlocked by entering a code from the carrier. Apple's iPhone brought the ...