Before you attempt to flash any software you find, ensure the following matches your device exactly:
If you obtain the file, the standard process for MSD6586 boards is: Extract the .rar file to get the .bin or .img file. Format a USB drive (8GB or smaller) to . Copy the firmware file to the root of the drive. Download MSD6586 T8E2 3840x2160 Noa Vision part01 rar
Unplug the TV, insert the USB, then plug it back in while holding the button on the TV until the "Upgrading" screen appears. Before you attempt to flash any software you