HTC Desire Eye E1 16GB Blue (with 13MP Front & Rear Camera) Unlocked Factory 2G Network: GSM 850 / 900 / 1800 / 1900 3G Network: HSDPA 850 / 900 / 1900 / 2100 3G Network HSDPA 850 / 900 / 1900 / 2100 4G Network LTE 1800 / 2100 / 2600 (Bands 1, 3, 7) 13 MP, 4208 x 3120 pixels, autofocus, dual-LED flash - Wi-Fi - Bluetooth OS Android OS, v4.4.2 (KitKat) Chipset Qualcomm Snapdragon 801 CPU Quad-core 2.3 GHz Krait 400 Expansion card slot supports microSD memory card for up to 128GB