Retrieve PUK code and unblock SIM

If an incorrect PIN is entered three times in a row, your SIM will be blocked. To unblock your SIM, you'll need to key in your PUK. Find out how to retrieve the PUK.

Nokia Lumia 920
Nokia Lumia 920
Nokia Lumia 920
  • 1
    Turn off your phone
    • Press and hold On/Off.
    • Drag your finger down the display to turn off your phone.
  • 2
    Turn on your phone
    • Press and hold On/Off.
  • 3
    Unblock SIM
    • The display tells you that your SIM is blocked.
    • Key in your PUK and press enter.
    • Key in a new four-digit PIN and press enter.
    • Key in the new PIN again and press enter.
    • The phone is ready for use.