: Facilitating communication with USB 2.0/3.0 ports, Ethernet, and Wi-Fi modules. Firmware Architecture and Customization
(The "holy grail" of HiSilicon firmware, though you'll need a browser translator). XDA Developers: For more mainstream Hi3798 devices. FreakTab: A long-standing community for TV box enthusiasts. hi3798 firmware
The update method depends on whether your device still boots: Place the update.zip file on a FAT32-formatted USB drive. : Facilitating communication with USB 2