To unlock an HTC device:
- Insert a non-Bell SIM card into the device and turn it on.
- The message “SIM Network unlock PIN” will appear. Enter the IMEI master lock code and press OK.
- The IMEI master lock code may be 16 digits long. If the first eight digits are all zeros, ignore them and enter the last eight digits.
- If you enter an incorrect code four times, you will have to wait 30 seconds before trying again. Each subsequent failed attempt will add an additional 30 seconds to the wait time.