Secure My Device

Lock the device screen, set and change security lock.

Prenote info
To learn more about requesting a device unlock for your AT&T mobile device so that it can operate on another compatible wireless network, visit If your device is locked and is requesting a "PUK" code, click here for instructions on how to obtain your PUK or PUK2 code to unlock your SIM card.
  1. SET SCREEN LOCK: From the clock screen, press the Power/Home button.
    Note: Samsung Galaxy Watch will automatically lock when Bluetooth connection is ended. If PIN is forgotten, reconnect to phone via Bluetooth to unlock the device and adjust PIN setting.
    device 5235/9007010_01.jpg
  2. Rotate the bezel to and select the Settings app.
    device 5235/9007010_02.jpg
  3. Rotate the bezel to and select the Security. Rotate the bezel to and select Lock.
    device 5235/9007010_03.jpg
  4. Select Type.
    device 5235/9007010_04.jpg
  5. Select the desired screen lock.
    Note: For this demonstration, PIN was selected.
    device 5235/9007010_05.jpg
  6. Enter desired 4 digit PIN.
    device 5235/9007010_06.jpg
  7. Re-enter the 4 digit PIN.
    device 5235/9007010_07.jpg
  8. UNLOCK DEVICE USING SECURITY LOGIN: When the screen is locked, enter your security code to unlock the device. 
    device 5235/9007010_08.jpg
  9. CHANGE SECURITY LOCK: From the lock screen, select Type > enter the current security lock code > select the desired lock > enter the desired lock code.
    device 5235/9007010_09.jpg

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