Transfer the extracted .bin file to the root directory of the USB drive (do not put it in a folder). Update the TV: Turn off the TV and unplug it from the power source. Insert the USB drive into the TV's USB port.

DP.6A358.813 or similar MSD358-based smart boards How to Install the Firmware

Plug the TV back in and turn it on. Most models will automatically detect the firmware and begin the update.