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This Android/Windows device is designed to function specifically with the current Android/Windows OS installed on it. Any alterations such as upgrades, modding with custom ROMs, rooting or flashing the Android device with other firmware will automatically void the device's warranty.

Tip:5.5 inch 2.5D Arc screenMTK6592 Octa Core 1.7GHzAndroid 5.113.0MP rear camera (with flashlight)5.0MP front cameraLight sensor, Proximity sensor, Gravity sensorGPSDual SIM dual standby. One is Nano SIM Card, the other is Micro SIM card2G: GSM 850/900/1800/1900MHz3G: WCDMA 1900/2100MHz4G: FDD-LTE 1800/2600MHz