PUK code unlock: T-Mobile Concord

Learn how to PUK unlock the T-Mobile Concord.




PUK code unlock


Related errors:

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


If you enter a PIN code incorrectly several times in a row, the device blocks you from attempting again. To enter a PUK code and unblock the PIN, follow these steps:


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. Press Phone to  open the dialer.
    • Note: If your phone is not yet PUK locked, touch Emergency Call on the screen where you enter the PIN code.
  3. Enter **05*[PUK]*[New PIN]*[New PIN]#
  4. When the phone  displays 'Unblocking PIN: Registration was successful' touch OK.