http://www.cellunlocker.net - #1 Phone Unlocking Site 1-800-507-9077
This is a tutorial and instructions on how you can unlock your HTC Free style from At&t to free its network. After you unlock it, you can change to any GSM Carrier. Simply enter an unlock code and will be unlocked.
If you don't have your unlock code already you can place your order here http://www.cellunlocker.net/htc-unlock.php for HTC Freestyle 8 digit unlock code.