How to Enter Unlock Codes on BlackBerry Torch 9800
1) Need a SIM card inserted into the phone
2) Click on manage connections, select turn all connections off
3) Go to Options> Device>Advanced system settings>and then SIM Card.
4) Hit the menu button and select show keyboard
5) Type in mepd using the keyboard (nothing will show on screen)
6) Type in mep2 another screen pops up for the code
7) Enter your unlock code
8) Press the enter key
9) A message will appear saying code accepted
10) Turn device off, insert SIM of your choice if have not done so already
11) Turn the phone back on
12) Go to Options, then Mobile Network, on the third row switch it to GSM/UMTS and you're done.