Often distributed as a multi-part RAR archive (e.g., part05.rar ) that must be combined and extracted to obtain the .pkg or .bin update file.
You can check the JVC Global Support Page or the JVCKenwood Firmware Update Procedure for official model-specific updates, though generic Chinese mainboards like the MT5510I are rarely listed there directly. Installation Method Download MT5510I PB801 1366X768 JVC REF30 part05 rar
Repositories like The New 1+8G Board on AliExpress or Facebook Tech Groups often host these files for repair purposes. Often distributed as a multi-part RAR archive (e
Copy the extracted file (typically named allupgrade_5510...pkg ) to the root of a FAT32-formatted USB drive. Copy the extracted file (typically named allupgrade_5510
Download all parts of the RAR archive (Part 1 through the final part). Extract them into a single folder to get the main firmware file.
Do you need help finding the of this specific RAR archive, or are you having trouble with the USB update process?