: Copy the extracted firmware to an empty USB stick.

Firmware Explained: The Key to Device Security & Performance

: Press and hold the Power button on the TV (not the remote).

: While holding the button, plug the TV back in. Continue holding for about 5 seconds until the update screen or a flashing LED appears.

For official software or troubleshooting, you can refer to resources like the Nordmende Update Guide or NinjaOne's Firmware Guide for general best practices.

Do you have of this archive, or do you need help finding the rest of the sequence?

: Do not turn off the TV until the progress bar reaches 100%. Interrupting this process can permanently "brick" the device.