PUK code unlock: T-Mobile Sidekick 4G

Learn how to PUK unlock the T-Mobile Sidekick 4G.




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. On your phone, tap Emergency call.
  3. Enter **05*[PUK]*[NewPIN]*[New PIN again]#.
  4. Tap OK.