If your TV says it is already up to date but you're still having trouble, a quick "Restart" from the same menu can often clear out minor system hitches.
: Write down this information. You’ll need it to compare with any available update files. yachisa tv software update
: Format a USB flash drive to FAT32 and copy the downloaded firmware file (usually a .bin or .zip file) to the root directory (don't put it in a folder). Plug and Update : Turn off the TV. Insert the USB drive into the TV's USB port. If your TV says it is already up