verykool Spark LTE SL5011 manufacture unlocked GSM smartphone 4G LTE 5.0&rdquo; 13MP + 8MP cameras Android 5.1 Lollipop 1.0GHz 16GB + 64GB external storage tempered glass-Black Unlocked. No contract phone. GSM compatible- AT&T, T-Mobile, MetroPCS, Straight Talk, & other prepaid carriers. (Phone will not work with CDMA carriers- Verizon, Sprint, Boost, Virgin) Dual SIM- (microSIM) 4G Bands 2, 4, 5, 7,17. 3G (850/900/1900/AWS1700-2100/2100). 2G (850/900/1900) Android 5.1 Lollipop. 5.5 IPS-LCD Capacitive Tempered Glass Screen, 720 x 1280 pixels, 267ppi 13MP rear camera with auto focus & 8MP front camera, both with LED flash. 16GB ROM 1GB RAM & 64GB of external (microSD) storage Powered by MediaTek. MT6735P, Quad-core 1.0 Ghz Cortex-A53 CPU for increased speed and reliability