Often hosts firmware specific to the TP.SK708D.PC821 board for various panel configurations.
You can find the User Manual here for installation and troubleshooting steps. Important Note on Multi-Part Files
Quad-Core A35 CPU, typically with 1GB/2GB RAM and 8GB/16GB ROM Where to Find the Download
The file you are looking for, , is part of a multi-segment archive for the TP.SK708D.PC821 4K Android TV motherboard firmware . This specific mainboard is commonly used in universal 4K Smart TVs and brands like ANDERSON (Model: LD5536). Firmware Details Mainboard Model: TP.SK708D.PC821 Resolution: 3840x2160 (4K UHD) OS: Android 9.0