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: Press and hold the POWER button on the TV's side panel while plugging it in until the update progress bar appears on the screen.
the official firmware from the manufacturer's site or an authorized repository. the files if they are in a Copy the file (often named upgrade_loader.pkg or similar) directly to the root directory of the USB; do not put it inside any folders. JustAnswer 3. Install the Update Plug the USB into the TV's USB port while the TV is off. Turn on the TV while holding the telefunken software update usb top