The international version of the HTC One X is getting an over-the-air update bringing it to Android 4.0.4 and updating its Sense UI to 4.1.
In addition, the update also optimizes the performance of the stock web browser and enhanced the image quality of the camera. Sense UI 4.1 itself brings smoother homescreen animations and an updated notification bar. The new bar now features the old "Quick Settings" tab from Sense 3.0.
The OTA rollout has started in Germany, as you can see from the screenshots and the update is 148MB in size, so make sure you use a Wi-Fi network to download it.