UMI Hammer 4g LTE 5 Inch 2gb RAM Mtk6732a 64bit Quad-core Smartphone -Black Model UMI HAMMER Band 2G: GSM 850/900/1800/1900MHz 3G: WCDMA 900/1900/2100MHz 4G: FDD-LTE 800/1800/2600 MHz SIM Card Two Standard, Dual SIM, Dual standby Style Bar Phone Color Black Shell Material Plastic System OS Android 4.4 CPU MTK6732A 64-bit Quad Core, 1.5GHz GPU ARM Mail-450MP4,700NHz ROM 16GB RAM 2GB Screen Display Size 5.0 inch Type IPS OGS Full lamination technology,dual glass Resolution 1280  720 Pixel Multi-Touch Yes,5 points touch Screen color 16000K colors Support Format Audio File Format WAV, AMR, MP3,AWB Video File Format 3GP, MP4, RMVB Image File Format GIF, JPEG, BMP, PNG E-book Format TXT, PDF OTG Yes FM Radio Yes, earphone needed Earphone Port 3.5mm Card Extend Supports an external TF card up to 64GB Data Transfer & Connectivity Data transfer USB/Bluetooth Mobile internet WAP/WiFi