: Click on System Update or Software Update .
Plug the drive into the USB 1 or "Main" port on the MSD338 board. Trigger Update: Press and hold the physical Power button on the TV/board. Plug in the power cord while continuing to hold the button. Cvte Msd338 512m Update
Format a USB drive (ideally 8GB or less) to FAT32 . : Click on System Update or Software Update