This channel frequently hosts dump files for China-made universal boards. You can check their archive for TP.VST59S.PB802 firmware or specific 1366x768 BIN files.
Usually provided as a .bin file inside a .rar or .zip archive. Download VST59S PB802 1366x768 Backup Dump rar
Typically done via USB (insert drive and power on) or using a programmer like the RT809F via the VGA ISP port. Download TP.VST59S.PB801 All software for free - Facebook This channel frequently hosts dump files for China-made