How to Enter Unlock Codes on BlackBerry8100, 8120, 8110 Pearl:

Unlock your black berry with the flowing step 20, 8110 Pearl: 1. Go to Options Menu => Advanced Options 2. In the SIM Card menu, hold down the shift (right of the zero, cap) press meppd 3. You’ll see the unlocking level screen there you hold the ALT key (left side below @) type mepp2 (*You won’t see any text while you are typing either one of these.) 4. Type in the 16 or 8 digit unlock code and your phone is unlocked! or 1. Insert SIM into device 2. Power phone on and Turn off the radio (Turn Wireless Off option) VERY IMPORTANT. 3. Select “Options” THEN SELECT ADVANCED OPTIONS 4. Scroll down and select “SIM Card” 5. Type “MEPPD” (please note that you will not see what you type on the screen) 6. Type “MEPP then [ALT BUTTON] then “2″ (please note that you will not see what you type on the screen) 7. Enter the Unlock Code 8. Press enter 9. Reboot device. Device is now unlocked.