I know you’ve been waiting for this news for a while now, and here it is. O2 has started rolling out the software update which brings Android 4.1 JellyBean operating system version to the HTC One X. Customers owning this device bound to O2 carrier are now elligible for upgrade to the latest version of Android via OTA (over the air).
Please note that the software is spreading in stages and it will take a while to reach everyone. If you havent been notified yet, you can alaways try a manual check up by going into the Settings > About phone > Software updates > Check for updates.
— HTC UK (@HTC_UK) January 5, 2013