UK carrier O2 has revealed through its official Twitter account that the new HTC One X smartphone is expected to arrive in the UK on April 5. The One X is the new flagship smartphone from HTC, and features a 4.7-inch, 1280 x 720 pixel HD display, quad-core NVIDIA Tegra 3 processor, and Android 4.0 Ice Cream Sandwich with HTC’s new Sense 4 interface. O2 did not reveal what the One X will cost when it arrives. A version of the One X with support for LTE is expected to arrive for AT&T in the U.S. in the near future as well.