: Format a USB stick to FAT32 . Copy the extracted firmware file directly to the root of the drive (do not put it in a folder). Initiate Update :
and related models. These files are typically split into multiple parts (like part1 to part10) to make large firmware downloads easier to manage. How to Get the Firmware For older models like the
: Visit the Hisense USA Firmware Download or Hisense Canada Support sites. You will usually need to enter your TV's serial number to ensure you get the exact matching software. Download RSAG7 820 5819 Hisense 55K390 part10 rar
Hold the on the remote while plugging the TV back in. Continue holding until the "Software Updating" message appears.
: Use a tool like WinRAR or 7-Zip to extract "part1.rar." This will automatically combine all parts (including part10) into a single upgrade file, typically named something like upgrade_loader.pkg . : Format a USB stick to FAT32
: Never turn off the power during a firmware update, as this can permanently damage the main board.
Power off the TV and insert the USB into a . These files are typically split into multiple parts
: If the firmware isn't listed online, you can email Hisense support with your model and serial number. They often provide a link to the specific .pkg or .bin file required for your board. Manual Installation Steps