Move the extracted firmware file to the root directory of the USB drive (not inside any folders). 2. Installation Procedure
Continue holding for about 5-10 seconds until the screen shows an or "Software Updating" progress bar. Release the button and wait. Do not turn off the power. Method B: Menu Update (If TV is functional) Turn on the TV and insert the USB drive. Go to Menu > Settings > About (or System). Select Software Update (USB) . Confirm the prompt to begin the update. 3. Post-Update Move the extracted firmware file to the root
once the TV reboots to prevent it from trying to update again. Release the button and wait
This guide outlines how to download and install the firmware for the TV using the MT5510S PB803 mainboard. Firmware Details Model: Akai AKTV4030S Board ID: TP.MT5510S.PB803 Resolution: 1920x1080 (Full HD) Panel Reference: REF75 1. Download & Prepare the Files Go to Menu > Settings > About (or System)