- To lock your device, flip the screen closed.
- To unlock the device, open the screen.
- To set a security lock on the device, from the home screen, select Menu.
- Select Settings.
- Select Security.
- Select Activate security codes.
- Select PIN code or Phrase lock code.
Note: For this example PIN was used. - Select On.
- Enter desired PIN code.
- Reenter your PIN to confirm and press OK.