The code for both the international and AT&T version of the HTC One X are now available on HTC’s developers website. Using the full source will allow better and quicker development of custom ROMs for the HTC One X.
The device currently runs on Android 4.0 Ice Cream Sandwich with HTC’s Sense UI on top of it. If you are part of the developers community, head on to the source link below and if you’re a simple user this doesn’t mean much to you. You can still hold your breath for upcoming ROMs, though, and that’s good news for those who love Android diversity.
source: HTC Dev via GSM Arena