Apple® iPhone® 4 - Set Up Phone Lock

If the passcode is forgotten, the device needs to be restored to default settings using iTunes. Refer to this iTunes support page for instructions.

1. From the lock screen, swipe right then enter the passcode if prompted.
2. Tap Settings then tap General.
3. Tap Auto-Lock then select the auto-lock time interval (e.g., 1 Minute, 2 Minutes, 5 minutes, etc.).
   Selected when a check mark is present.
4. Tap General.
   Located in the upper-left.
5. Tap Passcode Lock then tap Turn Passcode On.
   If passcode is turned on, enter the passcode then skip to step 8.
6. Enter then re-enter the passcode.
7. If preferred, tap Change Passcode then:
   1. Enter the old passcode then enter and confirm new passcode.
   2. Tap Done.
8. If preferred, tap Require Passcode then select the desired time interval (e.g., Immediately, etc.).
   Selected when a check mark is present.
9. If desired, tap any of the following switch(es) to turn on or off :
   When turned on, access is allowed when the screen is locked.
   • Passbook
   • Reply with Message
   • Erase Data
     When turned on, all data on device is erased after 10 failed passcode attempts.

Related Topic: Unlock the Device