Use this tag if your issue is truly specific to the HTC One X / HTC One XT device.
The HTC One X is a touchscreen-based, slate-sized smartphone designed and manufactured by HTC. Also known as HTC One XT for China market, it runs the Android 4.0.4 (Ice Cream Sandwich) operating system with the HTC Sense 4.0 graphical user interface.
The device features a NVIDIA Tegra 3 SoC with a 1.5 GHz quad-core ARM Cortex-A9 CPU, 1 GB of RAM; a 1,800 mAh battery, a dual-band 802.11n WiFi radio, Bluetooth 4.0 with apt-X, GPS, NFC, and 32 GB of internal storage. The phone does not feature external storage. The One X also features a standard array of sensors including a digital compass, proximity sensor, gyroscope, accelerometer and ambient light sensor.
The One X has three physical keys; a power button on the top and higher and lower volume buttons on the right side. On the front of the One X are three capacitive touch keys for the Back, Home, and Recent Application functions.
The device that comes through AT&T carrier has a slightly different configuration. The main differences are: Processor - 1.5 GHz Dual Core. Storage - 16 GB (32 GB version not available).
Source: Wikipedia