Learn how to PUK unlock the BlackBerry Classic. If you enter a PIN code incorrectly several times in a row, the device blocks you from attempting again and may also permanently damage your SIM card.
Identifying PUK code error messages
Confirm you are receiving one of the following or similar error messages on your device:
- "PIN code blocked. Enter PUK code."
- "Enter PUK code"
- "SIM card locked. Emergency calls only. Please contact Customer Care."
Entering PUK codes
- Power on your device.
- When prompted, enter your PUK code.
- Tap OK.