Internal Memory: 32GB, 3GB RAM + microSD Slot Expandable up to 128GB;LG 16 Megapixel Camera (5312 x 2988 pixels) laser w/ Autofocus, optical image stabilization, LED Flash + Front-facing 8 Megapixel Camera, optical stabilization, HDR, stereo sound rec., Manual Modereo sound rec., Manual Mode;Android v5.1 (Lollipop), 1.8GHZ 64 bit Hexacore Processor, with X10 LTE;5.5-inch IPS LCD Capacitive Multi-Touchscreen w/ Protective Corning Gorilla Glass 3;This phone works with the T-Mobile network ONLY. T-Mobile SIM card required. GSM: 850,900,1800, 1900, UMTS: Band 2, 4 (Roaming Band: 1,5), LTE: Band 2,4,12 (Roaming Band: 3,5,7)