- To set a screen lock, from the homescreen, tap Security.
- Tap Screen Lock.
- Tap the Screen Lock toggle.
- Enter a four digit passcode, then tap OK.
- Confirm the new passcode, then tap OK.
- To unlock the device, press the Power button, then tap the lock icon.
- Enter your four digit Passcode.
- If you forget your passcode, enter the an incorrect passcode 10 times to perform a factory reset. Proceeding will erase all of your cutomizations and settings. Tap OK.