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Learn how to PUK unlock the Samsung Galaxy Tab S4. If you enter a PIN code incorrectly several times in a row, the device blocks you from attempting again and may also permanently damage your SIM card.

 

 

 

Identifying PUK code error messages

Confirm customers are receiving one of the following or similar error messages on their devices.

  • "PIN code blocked. Enter PUK code."
  • "Enter PUK code"
  • "SIM card locked. Emergency calls only. Please contact Customer Care."

 

Entering PUK codes

Important: You must call Customer Care for the PUK code. Entering the wrong code can permanently damage your SIM card.

 

  1. Contact Customer Care to request your PUK code.
  2. At the PIN blocked prompted, tap ENTER UNLOCK CODE. If you don't see the screen, restart your device.
  3. Enter the following: **05*PUK*NewPIN*NewPIN#
  4. Tap OK.

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