The process will take a few minutes to reach 100%. The TV may restart automatically.
If the image appears too large (oversized), ensure the config file matches your 3840x2160 panel resolution. Download MS638 PC822 3840x2160 Aconatic 49DSU800 part4 rar
Move all extracted files (usually about 6 files) directly to the root of your flash drive. Note: Do not put them in a folder; the TV won't find them. The process will take a few minutes to reach 100%
Unzip the downloaded .rar file (part4) on your computer. Download MS638 PC822 3840x2160 Aconatic 49DSU800 part4 rar
Power off the TV and unplug it from the wall. Insert the USB drive into the USB 1 port. Initiate Update:
If the update doesn't trigger, try a different USB port or a different brand of flash drive. Community Insights