You can find the backup dump and firmware files on several community-driven platforms specializing in LED TV software. Recommended Download Sources
They provide a variety of free software for universal boards. You can browse their TP.VST59S collection for compatible PB802 dumps. Download VST59S PB802 1366x768 Backup Dump rar
Another specialized repository that often carries backup dumps for universal and smart TV motherboards. Key Technical Details Board Model: TP.VST59S.PB802 Resolution: 1366 x 768 (HD) You can find the backup dump and firmware
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 Download VST59S PB802 1366x768 Backup Dump rar
Usually provided as a .bin file inside a .rar or .zip archive.