Color:Black HTC U Ultra Tech Specs Platform: Android 7.0 with HTC Sense CPU: Qualcomm Snapdragon 821, 64 bit quad-core, up to 2.15 Ghz Memory: ROM: 64GB, RAM: 4GB Available storage for users: about 50GB Extended memory: microSD up to 2TB (Use SIM2) Flex Storage supported Main Camera: 12MP (HTC UltraPixel 2 with 1.55_m pixel) Sapphire Lens Dual tone LED flash 4K video recording with 3D Audio, Hi-Res audio Video Pic Front Camera: 16MP, with HTC UltraPixel mode Selfie Panorama Full HD 1080p video recording Location: GPS, A-GPS, GLONASS, Beidou Sound: HTC Usonic HTC BoomSound Hi-Fi edition 4 mics 3D Audio recording Hi-Res audio stereo recording Hi-Res audio certified Noise cancelation Sensors: Ambient light sensor Proximity sensor Motion G-sensor Compass sensor Gyro sensor Magnetic sensor Fingerprint sensor Hub Gesture and Others: Always on voice commands Motion Launch Sensor Hub for activity tracking HTC Connect Quiet ring on pick up Pocket mode Flip to Mute Display: 5.7 inch, Quad HD (2560 x 1440 pixels) Pixel density at 513 ppi (pixel per inch) Super LCD 5 Corning Gorilla Glass 5 with curve edge Display color personalization Dual Display: 2.05 inch (160x1040 pixels) SIM Card Type: Nano SIM Connectivity: NFC Bluetooth 4.2 Wi-Fi: 802.11 a/b/g/n/ac (2.4 & 5 GHz) HTC ConnectZ for wirelessly streaming media from the phone to compatible multi-room audio systems, TVs, portable speakers and home entertainment systems Streaming media from the phone to compatible Chromecast, DLNA, Airplay, Miracast Devices Buttons Keys and Connection Ports: USB 3.1 Gen 1, Type-C Capacitive keys DisplayPort Battery and Charging Speed: Capacity: 3000 mAh Talk time on 3G/4G network: up to 26 hours Standby time on 3G/4G network: up to 13 days Power saving mode Extreme power saving mode Quick Charge 3.0 2G: GSM/GPRS/EDGE:850/900/1800/1900 MHz 3G UMTS: AWS/850/900/1900/2100 (B4/B5/B8/B2/B1) 4G : FDD: Band: 1/2/3/4/5/7/8/12/17/20/28 TD LTE : Band: 38/39/40/41