How can I unlock a 8800 at&T blackberry and use a tmobile simcard

Nov 10, 2009

- To unlock the handheld , you need to complete the following steps: 1. Turn all connects off(manage connection). 2. Select Options. 3. Select Advance option. 4. Select sim card. 5. Type MEPD. 6. Type MEP2. 7. Type the Unlock code. 8. Press enter. You need to contact the customer care of the service provider for unlock code. Hope I helped you. Thanks for using ' Fixya ' and have a nice day!!