LG G4 Dual SIM H818 3G 32GB Leather RED Factory Unlocked *Check 4G LTE Compatibility 2G Network 3G Network 4G Network Operation System Processor 850/900/1800/1900 MHz WCDMA:850/900/1900/2100MHz TD-SCDMA:1900/2000MHz FDD: 2100(B1) / 1800(B3) / 850(B5) / 2600(B7) MHz TDD: 2600(B38) / 1900(B39) / 2300(B40) / 2600(B41) MHz Operation System Android 5.1 (Lollipop) Processor Hexa-Core 1.8GHz Qualcomm Snapdragon 808 Internal 3GB RAM / 32GB ROM Card slot MicroSD (up to 2TB) Height 149.0 mm Width 76.2 mm Thickness 9.8 mm Weight 155 g Screen Size 5.5 inches Screen Resolution 2560 x 1440 pixels Type IPS Quantum Display GRPS Class 33 EDGE Class 33 WLAN Wi-Fi 802.11 a/b/g/n/ac Bluetooth v4.0 BLE NFC Yes GPS GPS, A-GPS and GLONASS, BeiDou USB v2.0 HS Video output Slimport WiFi hotspot tethering Yes Primary Camera 16 MP Front Camera 8MP Camera Flash Yes (LED) Focus Auto Sensor Color Spectrum Sensor Geo-Tagging Yes Video Record up tp UHD (3840x2160)