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The correct (often labeled as MS638_PC822_Aconatic_49DSU800_part1.rar ). WinRAR or 7-Zip to extract the .rar package. Step-by-Step Installation Guide
Completely unplug your Aconatic TV from the power source. Download MS638 PC822 3840x2160 Aconatic 49DSU800 part1 rar
While direct download links for the firmware for the Aconatic 49DSU800 Download MS638 PC822 3840x2160 Aconatic 49DSU800 part1 rar
Release the button once you see an "Upgrading" or "Software Updating" progress bar on the screen. Do not turn off the power during this time, as it could permanently damage the mainboard. Download MS638 PC822 3840x2160 Aconatic 49DSU800 part1 rar