For the television, the firmware for the MT5510S.PB803 motherboard (often listed as TP.MT5510S.PB803) is a critical software component required to resolve boot loops, such as the "hanging on Android" logo error, or display issues. This specific file, "part08.rar," is the eighth segment of a multi-part compressed archive containing the full USB update or EMMC dump. Firmware Details Mainboard: TP.MT5510S.PB803 (Three-in-one Smart TV board). Resolution: 1920x1080 (Full HD).
Because these archives are typically split into 8–10 parts on technical forums, you must download (part01 through part08) into the same folder before extracting.
A primary source for Skyline and TP.MT5510S.PB803 firmware . Download MT5510S PB803 1920x1080 Skyline REF70 part08 rar
Community-driven Skyline Android TV threads often host mirrors for these multi-part RAR files. USB Installation Guide
Copy the firmware file to the root of the flash drive (not inside a folder). Flash: Insert the USB into the powered-off TV. Plug the TV into the AC outlet. For the television, the firmware for the MT5510S
Offers various 1920x1080 firmware versions for this chassis.
When the blinking speeds up or stops, the update is complete. Remove the USB and restart. Resolution: 1920x1080 (Full HD)
Open "part01.rar" (after downloading all parts); it will automatically pull data from "part08.rar" to create the final .bin or .img file.