Enabling Application Locks
You can lock or unlock the application.
  1. Press HOMEHOME and then click Setting iconSetting icon on the top right side of the screen.
  2. Select All Settings iconAll Settings icon Safety.
  3. Set Safety to On.
  4. Select the Application Locks.
  5. Select the Applications to lock.
The initial password is set as "0000".
The lock function is not immediately available for the currently running application.