If you get sound but no picture after flashing, your backlight inverter might be the issue, not the software.
Confirm your panel is set to the correct voltage (5V or 12V) via the jumper on the board. Download VST59 P63 1366x768 Samsung Backup Dump rar
💡 Always back up your current SPI Flash data using a programmer (like the RT809F or CH341A) before writing new firmware. If you get sound but no picture after