Learn how to PUK unlock the OnePlus 6T. 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 one of the following or similar error messages are on the device:

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


Entering PUK codes

  1. Contact Customer Care to request your PUK unlock code.
  2. Provide them with the SIM card number.
  3. On the screen of SIM PIN it will ask for PUK code.
  4. Enter PUK code.
  5. Your Phone will start and SIM will be Unlocked.
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