: If the USB method is unavailable, you will need an RT809F or CH341A programmer to flash the firmware directly onto the board's SPI Flash IC. If you'd like, let me know:
Searching for the specific "Mirror Dump" file for the VST59S.PB816
: Use the remote to enter the service mode. Common codes for this board include: Menu + 1147 Source + 2580
If you have a (like RT809F) or if you are trying to update via USB port .