To update your Blaupunkt TV using a USB drive, you typically need to download the correct firmware for your specific model and initiate the flash from the TV's service menu or storage settings.

How to fix TV main board with usb firmware update software guide

: Go to Settings → Device Preferences → Reset .

: Never turn off the TV or unplug the power cord during the update process, as this can permanently "brick" the device.

Release the button once the indicator light flashes or an "Upgrading" progress bar appears.