HTC U Ultra specs: 5.7-inch QHD display, Snapdragon 821, 3000 mAh battery

HTC's U Ultra is a big phone, with plenty of specs under its beautiful glass exterior. When it comes to what you expect from a high-end phone, you get it here: Snapdragon 821, 4GB of RAM, 64GB of storage, a 5.7-inch QHD display covered by Gorilla Glass 5 and a top-end camera with big pixels and a fast aperture. It's all here, and more, in the full HTC U Ultra spec sheet.