2G bands GSM 850 / 900 / 1800 / 1900 - all versions; 3G bands HSDPA 850 / 900 / 1900 / 2100 - H960A; 4G bands LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800); Speed HSPA 42.2/5.76 Mbps, LTE-A Cat6 300/50 Mbps GPRS Class 33; EDGE Class 33;Primary 16 MP, f/1.8, laser autofocus, OIS, LED flash; Video 2160p@30fps, 1080p@30fps, 720p@120fps, HDR, stereo sound rec.;Secondary 5 MP Duo, f/2.2; 4GB RAM; 64 GB Internal; Expandable microSD, up to 256 GB (dedicated slot);OS Android OS, v5.1.1 (Lollipop), upgradable to v6.0 (Marshmallow); Chipset Qualcomm MSM8992 Snapdragon 808; CPU Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 ; GHz Cortex-A57); GPU Adreno 418; Removable Li-Ion 3000 mAh battery; Stand-by Up to 150 h (2G) / Up to 150 h (3G); Talk time Up to 22 h (2G) / Up to 18 h (3G);5.7 IPS LCD capacitive touchscreen, 16M colors; 1440 x 2560 pixels (~515 ppi pixel density); Multitouch Yes; Protection Corning Gorilla Glass 4; Secondary display, 160 x 1040 pixels, 2.1 inches; Dimensions 159.6 x 79.3 x 8.6 mm (6.28 x 3.12 x 0.34 in); Weight 192 g (6.77 oz); SIM Nano-SIM