You cannot open "part05" by itself. You must have parts 01 through 05 (or however many exist in that set) for WinRAR or 7-Zip to merge them into the usable firmware.
Ensure your TV panel is actually 3840x2160 . Installing 4K firmware on a Full HD (1080p) panel can cause a blank screen or distorted images. Do you have the other parts of this file, or
Many "LCD/LED TV Software" groups (like Hashmi Elecom ) host repository links for MT5507 firmware.
Place the extracted firmware file (e.g., allupgrade_5507_sos.bin ) into the root directory of the USB (not inside any folder). Initiate Update: Power off the TV and unplug it from the wall. Insert the USB drive into the TV's USB port.
If you have successfully gathered all parts and extracted the .bin or .img file, follow these steps to update your TV:
A common source for TP.MT5507.PB801 software and similar universal board firmware.
Use a drive (8GB or 16GB) and format it to FAT32 .
