The HTC U Ultra 128GB mobile features a 5.7″ (14.48 cm) display with a screen resolution of 1400 x 2560 pixels and runs on Android v7.0 (Nougat) operating system. The device is powered by Quad core (2.15 GHz, Quad core, Kryo + 1.6 GHz, Dual core, Kryo) processor paired with 4 GB of RAM. As far as the battery is concerned it has 3000 mAh. Over that, as far as the rear camera is concerned this mobile has a 12 MP camera BSI Sensor supporting a resolution of 4000 x 3000 Pixels and the front snapper is powered by a BSI Sensor. Other sensors include Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope. So, does it have a fingerprint sensor? Yes, it does. For graphical performance that can make games run smoothly, this phone has got a Adreno 530 GPU. On board storage is at 128 GB with the option to expand the memory by Yes Up to 2 TB. Design is one of the most important factors when it comes to mobiles. This phone is 7.9 mm slim and weighs 170 grams.