Power off the box. Insert the USB drive. Use a toothpick to hold the Reset button (usually hidden inside the AV port or between USB ports) while plugging the power back in. Release when the Android logo appears. Method 2: HiTool (Recovery/Unbricking)
There are two primary methods for installing a new image on a Hi3798MV100 device. This is the safest method for functional devices. hi3798mv100 firmware
Select the correct chip ID (Hi3798MV100) and load the emmc_partitions.xml file provided with your firmware. Power off the box
Depending on your goals—whether you want a standard media player or a dedicated Linux server—there are several firmware paths: hi3798mv100 firmware