Product link (buy here) – br br Umi Diamond X 4G Smartphone br 5.0 inch T2X-1 2.5D Arc Glass Screen Android 6.0 MTK6737 Quad Core 1.3GHz 2GB RAM 16GB ROM Dual Curved Design 8.0MP Rear Camera Hall Switch br br This AndroidWindows device is designed to function specifically with the current AndroidWindows 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. br br Umi Diamond X 5.0 inch 4G Smartphone Android 6.0 MTK6737 Quad Core 1.3GHz 2GB RAM 16GB ROM 2.5D Arc Screen Dual Curved Design 8.0MP Rear Camera br Main Features: br Display: 5.0 inch 1280 x 720 pixels 3D screen br CPU: MTK6737 Quad Core 1.3GHz br System: Android 6.0 br Storage: 2GB RAM + 16GB ROM br Cameras: 2.0MP SP2509 ( Interpolated to 5MP ) front camera + rear camera 8.0MP Hi843b camera with flashlight ( Interpolated to 13MP ) br Bluetooth: BT4.