Right-click on Part 1 and select "Extract Here" (using WinRAR or 7-Zip). This will automatically combine all parts into a single .pkg or .bin file. Prepare USB: Format a USB drive (8GB or 16GB) to FAT32 .
(Note: Replace this with your actual download link or hosting mirror)
Since this is a multi-part RAR archive, you must follow these steps carefully: Right-click on Part 1 and select "Extract Here"
You must have Part 1, Part 2, Part 3, and Part 4 in the same folder on your PC.
Move the extracted firmware file to the root directory of the USB drive (not inside a folder). Update TV: Turn off the TV. Plug the USB into the TV's USB 2.0 port. (Note: Replace this with your actual download link
Press and hold the on the remote until the "Software Updating" progress bar appears.
Installing the wrong firmware can "brick" your TV. Ensure your board number matches MS6586T 751 exactly before proceeding. Use at your own risk. Plug the USB into the TV's USB 2
Download Hisense HX43N3000UWT Firmware (Part 4) If you are looking to repair or update your smart TV, you likely need the specific firmware associated with the MS6586T 751 chassis. This post provides the link for Part 4 of the 4K (3840x2160) software package. Why Do You Need This Firmware?