In addition to the UK, users in Russia, India, Argentina and Brazil have reported that the update has started to show on their phones.
It was early October when HTC confirmed that a Jelly Bean update for both the HTC One X and the HTC One S, promising to bring features like Google Now to the handsets, as well as an update to the HTC UI, HTC Sense.
With Jelly Bean, users can expect their devices to respond quicker when in use, with a quicker transition between landscape and portrait mode. The Face Unlock security feature is more accurate, and power management has been tweaked, helping you to get the most out of the battery.
The large update can only be downloaded via WiFi, as it is a hefty 364.5MB. If you have an unlocked HTC One X, and haven't yet received notification to download Jelly Bean, you can do a manual check by selecting Settings > About > Software Updates > Check Now.
The update is currently only available for unlocked, unbranded devices; if your One X is branded with operator firmware, then you will need to be a little more patient while the firmware goes through final stage testing with the networks before it can be released.
The update to Android 4.1 is also promised to owners of the HTC One S, however at this moment in time there is no news as to when this will commence.
If you have an unbranded HTC One X, let us know in the comments below if you have received the official Jelly Bean update yet.