the physical Power button on the TV (not the remote). While holding the button, plug the TV back in .
once the TV reboots to prevent it from trying to update again. the physical Power button on the TV (not the remote)
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 the physical Power button on the TV (not the remote)
Right-click part01.rar and select "Extract Here." This will automatically combine and extract the full firmware file (usually an .bin or .img file). USB Drive: Use a 4GB or 8GB USB drive formatted to FAT32 . the physical Power button on the TV (not the remote)