Insert the USB drive into the TV board while it is powered off. Turn the power on; the indicator light should blink, signaling the update is in progress.
, where the UI looks stretched or pixelated. How to Find the Software Download tr6703 v3 software download free
: Make sure you have the correct model number. In your case, it's TR6703 V3. This ensures you're downloading software compatible with your device. Insert the USB drive into the TV board