Once the Android Recovery Menu appears, use the physical buttons or a USB keyboard to navigate.
Search for your exact model number + “mstarupgrade.bin” on the manufacturer’s support site or trusted forums. Do not use generic files from random websites. Mstarupgrade.bin Recovery
This method requires the bootROM not to check the image signature – true for most MStar chips before 2020. Once the Android Recovery Menu appears, use the
usb_bin_check
The TV will automatically restart once the firmware is fully installed. Troubleshooting the Recovery Once the Android Recovery Menu appears