Display 5.5″, 1080 x 1920 pixels OS Android OS, v6.0 (Marshmallow), planned upgrade to v7.0 (Nougat) Chipset Qualcomm MSM8996 Snapdragon 821 CPU Quad-core (2x2.35 GHz Kryo & 2x1.6 GHz Kryo) Internal Storage 128 GB, 6 GB RAM External Storage no slot Camera 16 MP, f/2.0, phase detection autofocus, OIS, LED flash. Secondary: 16 MP, f/2.0, 1.0 µm pixel size, 1080p Battery Non-removable Li-Ion 3400 mAh battery Features Fingerprint (front-mounted), accelerometer, gyro, proximity, compass Network GSM - Please check with your carrier for compatibility prior to Purchase 2G GSM 850 / 900 / 1800 / 1900 3G HSDPA 850 / 900 / 1900 / 2100 4G/LTE 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300) Brand New, Original Mobile phone in Original box with all Original accessories in the box. Will NOT work on CDMA Network such as Sprint or Verizon.