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.

Samsung Galaxy S III
Samsung Galaxy S III
Samsung Galaxy S III
  • 1
    Turn off your phone
    • Press and hold On/Off.
    • Press Power off.
    • Press OK.
  • 2
    Turn on your phone
    • Press On/Off until your phone is turned on.
  • 3
    Unblock SIM
    • The display tells you that your SIM is blocked.
    • Key in the PUK.
    • Press New Pin Code.
    • Key in a new four-digit PIN and press OK.
    • Key in the new PIN again and press OK.
    • The phone is ready for use.