: Use a tool like WinRAR or 7-Zip to extract the .bin file from the .rar archive. Place the extracted file directly into the root directory of the USB drive—do not put it inside a folder. Step 2: Installation Process Power Down : Unplug the TV from the power outlet. Insert USB : Plug the USB drive into the TV's USB port.
: The TV will usually restart automatically once the process is 100% complete. Troubleshooting Tips Download MS3458 U801 3840x2160 Vios TV49174K rar
: Ensure the file is named correctly (usually MstarUpgrade.bin or similar) and that you are using a USB 2.0 port if available. : Use a tool like WinRAR or 7-Zip to extract the
: Once the standby light begins to flash rapidly or an "Upgrading" screen appears, release the button. Do not turn off the TV during this process. Insert USB : Plug the USB drive into the TV's USB port
: Look for the exact filename MS3458 U801 3840x2160 Vios TV49174K.rar on specialized electronics forums or firmware repositories.