The firmware is often split into multiple .rar parts (like "part08") because the total file size can be large. You can find detailed posts and download links from these community and technical sources:
Quad-Core A35 CPU with configurations typically including 1GB/2GB RAM and 8GB/16GB ROM. Connectivity: Integrated Wi-Fi and HDMI interfaces.
If firmware flashing does not resolve the issue, replacement boards are available through major retailers: Download SK708D PC821 3840X2160 MEDIASTR REF90 part08 rar
Suitable for 42 to 75-inch LED/LCD glass screens from brands like Samsung, LG, Sony, and TCL. Firmware and Software Resources
For installation and maintenance steps, documentation is available via Scribd . The firmware is often split into multiple
The is a universal 3-in-1 smart LED TV motherboard that supports 4K (3840x2160) resolution and runs on Android 9.0 . The specific file you are looking for— SK708D PC821 3840X2160 MEDIASTR REF90 part08 rar
—is part of a multi-segment firmware archive used for flashing or repairing this board. Key Specifications of TP.SK708D.PC821 Go to product viewer dialog for this item. True 4K support (3840 x 2160 pixels). Operating System: Android 9.0. If firmware flashing does not resolve the issue,
If your TV is stuck on a logo ("boot loop"), technicians recommend copying the tested software file to a USB drive, connecting it to the TV, and powering it on to trigger an automatic update. Where to Buy or Replace