Tweet HTC 7 Surround Unlocking Instructions

HTC 7 Surround Unlocking Instructions
1. Input a non accepted SIM card
2. Phone will display enter “SIM network unlock PIN”
3. Input the unlock code that was emailed to you
4. Phone is unlocked!
If you see a message Sim lock. You can still make emergency calls
your phone has a blocked counter due to several previous
incorrectly entered unlock codes. The only solution in this case is
to upgrade phone's ROM which will reset the counter and allow to
enter the code.
At the manufacturer website find your model:
http://www.htc.com/www/support.aspx