Lenovo Lemon K3 Note 5.5 inch IPS Screen 4G Android OS 5.0 Smart Phone, MT6752 Octa Core 1.7GHz, RAM: 2GB, RAM: 16GB, Dual SIM WCDMA & GSM (white) International model phone, will work with Most GSM SIM cards in U.S. and world Including AT&T, T-Mobile, MetroPCS, Etc. Does not have US warranty. Will NOT work with CDMA Carriers Such as Verizon, Sprint, Boost. Dual SIM GSM 4G LTE Bands: 700/1800/2600 3G: 850/900/1900/2100 2G: 850/900/1800/1900 13MP Flash rear camera + 5MP front camera LCD 5.5" Octa core 1.7GHZ 2GB Ram 16GB Storage (10.5Gb User) Support Micro SD.