Unlocked Smartphone 6.0" Dual Sim MTK6580 Quad Core 1GB/8GB-JUNING Android 5.1 Cellphone Black 3G (WCDMA 850/2100) and 2G Quad Band (GSM 850/900/1800/1900) network.please buy the GSM/WCDMA SIM card. Do not buy the CDMA SIM card from them. CUP:MTK6580 Quad Core 1.3GHz;GPU:Mali-400MP;RAM&ROM: 1GB + 4GB Unlocked Dual Sim Cell phones, Android 5.1 Lollipop Dual Cameras, front camera 2.0MP, back camera 2.0MP Desbloqueado Dual SIM, smartphone con Android 5.1 Lollipop. 6.0" HD(1280 x 720) Screen NOTE: Remove the backside yellow film of the battery that can charge, and the phone will turn on and work.