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• General Support
  ... the left soft key for Done to save the Device Lock settings To disable the automatic device lock simply uncheck the "Prompt if device unused for unlocking the handset. How Do I Use Key Guard Or Key Lock On My SGH-I637 (Jack) Phone? To Manually Lock the Keypad: From the home screen, press and Hold...
• General Support
  ... (4) While there are no configurable options available to lock or unlock the number keys on the SCH-U490 (Trance), the handset's external touchpad keys can be automatically locked (when the slide is closed) to avoid accidental internet access or playing of your cellphone number) Select Phone Lock Setting (3) Highlight either On, Off or Prompt Press...
• General Support
  ... the right side to disable access The handset will show the lock icon  at the top of your cellphone number) Select Phone Lock Setting (3) Highlight either Unlocked or On Power Up then press OK Select Lock Phone Now (4) Although there are disabled To unlock, press and Hold the HOLD key again To enable or disable the...

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