The waiting time for receiving an unlock code for Pantech phones starts from 6 minutes to 48 hours.

Unlocking instruction for Pantech C810 Duo ?

1. Insert an accepted simcard to the C810 Duo and power it on. (accepted simcard is the simcard from the network in which the device works).
2. Dial the following sequence like a phone number *#865625#
3. Hidden SIM unlock menu should appear one the screen.
4. Enter the 8 digit unlock code provided by sim-unlock.net
5. Re-enter the unlock code again.
5. Message unlock process complete will appear.
6. Pantech C810 Duo is now network free, and supports any network from all over the world.