How To Enter the Unlock Codes for BlackBerry Smartphone
Following are instruction on how to enter Blackberry unlock codes once received.
All models of BlackBerry (do not work with T-Mobile)
1 – Go to the menu, then Settings Menu -> Select Advanced options => and then Sim card.
2 – While holding down the SHIFT key, type MEPD or (MEPPD combines for Vodafone).
3 – You should now see the five categories listed lock.
4 – While holding down the SHIFT key, type MEP2 or (MEPP2 handsets for Vodafone).
5 – Release the Shift key.
6 – You are now invited to enter the Network MEP code (it will also be the number of attempts left).
7 – Enter the code.
8 – Enter Return / Enter.
9 – The device must be unlocked.
Model : T-mobile BlackBerry Models
1 – In Home screen, click the Tools icon. The Options screen appears.
2 – Select Settings icon.
3 – Scroll to SIM Card and select it. You should see the phone number and and identification number of the SIM card.
4 – Type ‘mepd’ to display the first five levels of SIM locking.
T-Mobile uses the network to lock network should display Active. All other states must be disabled
note: For the Blackberry 7100t you press “P” twice when entering the mepd ‘and’ mep2 “for steps 4 and 5.
5 – Type ‘mep2′ to display the dialog box asking for the unlock code (Press the Alt + 2 key to get the number 2)
6 – Enter the unlock code network
7 – Press ENTER and reboot handheld.