Most technicians use the USB Update method by placing the extracted .bin or .img file onto a FAT32-formatted USB drive and booting the TV while holding a specific button (often the power button).
Ensure your TV's mainboard matches TP.MT5510S.PB782 exactly before flashing, as using the wrong firmware can permanently "brick" the device.
The .rar extension indicates a compressed archive. Since it is labeled part04 , you must download all preceding parts (part01, part02, etc.) to successfully extract the full firmware image. Usage Instructions
This board typically uses an eMMC chip for its operating system and software.
This file is usually needed when the TV is stuck on the logo, restarting constantly, or failing to boot.