: A popular repository for LED TV software. Search their database for "Toshiba 65U7750." If the file is split, ensure you download all parts to the same folder before extracting.
Searching for specific firmware files like the usually requires accessing specialized TV repair forums, as these are "dump" files (eMMC/NAND backups) rather than official consumer updates. Where to Find the Download Download TOSHIBA 65U7750 Panel K650WD7 LD450 part2 rar
Because these files are often split into multiple parts (Part 1, Part 2, etc.) due to large file sizes, you can typically find the complete set on the following technician-focused platforms: : A popular repository for LED TV software