In fact, the functions on HTC One X and AT&T HTC One X are the same, the little difference between them is AT&T HTC One X has the 4G LTE capability, and an evident difference except for the function between them is we can get the AT&T HTC One X with a attractive price, $199.99 on a 2-year contract, much cheaper than the international version. However, the pity is we can only use AT&T HTC One X with AT&T SIM card, if we want to change it, the only way is to unlock the AT&T HTC One X phone.
The sad thing that we can't get any method from HTC to unlock this AT&T HTC One X, as they can't do that under the symbiosis relationship between HTC and AT&T.
The good news is there is a way can unlock AT&T HTC One X phone from Xda-Developers , which method is unlock the bootloader on AT&T HTC One X through HTC-Dev. The detail steps can be got with the link upon.
Original Source: Xda-Developers
