How to Unlock a BlackBerry Pearl Flip 8220
- 1). Navigate to the IMEI section of the BlackBerry's settings by typing "*#06#" into the keypad. Copy the code.
- 2). Obtain a 15-digit unlock code from a code provider. Some of these will be online retail services, and some will provide unlock codes for free.
- 3). Hold "Shift" and type "MEPP2."
- 4). A dialogue box will tell you to enter your "network MEP code." Enter the unlock code.
Source...