To access the factory settings for further adjustments, the common service code is Menu + 1147 .
Download all parts into the same folder and extract the first part using tools like WinRAR or 7-Zip. This will result in a single .img or software file. 2. USB Formatting Use a high-quality USB flash drive.
Remove the USB drive, unplug the main power once more, and then turn the TV back on. 4. Post-Installation Tips Download MT5522 PC821 3840x2160 USB part02 rar
Copy the extracted firmware file (e.g., allupgrade_v5522... ) directly to the of the USB drive. 3. Installation Steps
Plug the TV back into the power source. The update should start automatically . Monitor LED Signals: To access the factory settings for further adjustments,
USB Firmware Software - Обновление ПО USB - KenotronTV
The software is currently updating. Do not disconnect power during this phase. Fast Blinking LED: The update is complete. unplug the main power once more
Professionals may need to adjust LVDS MAP or screen reference settings within this menu if the display appears inverted or distorted. Where to Find the Software