Notice: 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 ROM, rooting or flashing the Android device with other firmware will automatically cause the device experience matters as well as void the device's warranty. Please think twice before operating all these actions. 8 inch Cube T8 Android 5.1 4G Phablet WXGA IPS Screen MTK8735 Quad Core 1GB RAM 16GB ROM WiFi FM HDMI Main Features: RAM + ROM: 1GB + 16GB offers ultrafast surfing online, video playing and 3D gaming experience enhanced with DDR3 memory which makes all applications faster. Whether it is needed for work, study or play this tablet will suit your needs and 32GB external memory slot for all your apps and media. CPU: MTK8735 Quad core A53 64 bit 988MHz (up to 1.3GHz) processor: The new processor MTK8735 features high cost performance and supports global networks. It provides a built-in Cortex-A53 CPU and AMD GPU, the performance is 20% higher, and low power consumption by 10%. Bluetooth 4.0: Supports fast transmission of data, pictures and files. 8 inch screen: 1280 x 800 full-view HD IPS screen offers good experience for watching videos and browsing the Web. Android 5.1 system: Latest operating system with more excellent interface, compatibility and running effect, making Cube T8 the first tablet PC with Android 5.1 system. 4000mAh battery: Can manage the current, power and the temperature and increase the performance dynamically. Dual mode 4G FDD/TDD networks: The best way to stay truly connected, helping you reach your full enjoyment when browsing, watching, reading, gaming and chatting online. Dual SIM dual standby: Two phone numbers in one tablet can help keep business and pleasure separate. This feature also enables you to choose different data plans to save money. Aluminum alloy back cover: Smooth to touch and feels great against skin. HDMI output: You can connect it with a compatible computer monitor, video projector, digital television, or digital audio device. Note: This tablet will only work with GSM + WCDMA + TD-SCDMA + TDD + FDD networks: GSM 900/1800MHz WCDMA 2100MHz TD-SCDMA band34,band39 FDD band1,band3 TDD band38,band39,band40,band41 Unlocked for Worldwide use. Please ensure local area network is compatible. click here for Network Frequency of your country. Please check with your carrier/provider before purchasing this item.