PUK code unlock: T-Mobile Concord

Learn how to perform a PUK unlock on the T-Mobile Concord device.


PUK code unlock


Related errors include the following

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


To enter a PUK code and unblock the PIN, follow these steps:


  1. Contact Customer Care to request your PUK code. Entering the wrong code can permanently damage your SIM card.
  2. Press Phone to open the dialer.
  3. If your phone is not PUK locked, touch Emergency Call on the screen where you enter the PIN code.
  4. Enter **05*[PUK]*[New PIN]*[New PIN]#
  5. When the phone displays Unblocking PIN: Registration was successful, touch OK.
  6. If you enter a PIN code incorrectly several times in a row, the device blocks you from attempting again.