Copy the unzipped files (usually named update.zip or files like 123.bin , 456.bin , etc.) directly to the root of your FAT32-formatted USB drive. Do not place them inside a folder. Part 3: Performing the Firmware Update (Step-by-Step) The YT9217B allows for a direct USB update without a PC.
Insert the drive into the unit's 4-pin or 6-pin USB port. If the unit is working, you can often trigger the update via the "System Update" menu. If the unit is stuck in a boot loop, you may need to use the physical reset button or grounded "key" wires to force the update on boot. Conclusion yt9217b firmware update android 10
There are two methods. Try Method 1 first. Copy the unzipped files (usually named update