Tweet Unlocking Instructions for HTC Aria:

1. Insert a not accepted SIM Card and turn
ON your Verizon HTC
2. When prompted, enter unlock CODE you received from
UnlockToTalk.com
Attention! Use the onscreen keyboard and make sure that
wireless mode is OFF.
3. Your HTC Aria is now 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.