Buy the HTC One X, unlocked and with 12 months warranty. The HTC One X Smartphone features the latest version of the Android operating system (4.0) paired with the power of a 1.5GHz quad core processor. HTC One X also features HTC Sense4, a new version of HTC's branded user experience that introduces ImageSense, a suite of camera and imaging features with improvements to every part of the camera. HTC One X comes with Beats By Dr. Dre Audio built-in to the hardware and software.