Once finished, the TV should restart automatically. You may need to perform a factory reset in the settings to clear any remaining glitches. Troubleshooting Common Issues
While direct download links for the firmware for the Aconatic 49DSU800 Download MS638 PC822 3840x2160 Aconatic 49DSU800 part1 rar
Plug the drive into one of the USB ports on the side or back of the TV. Once finished, the TV should restart automatically
If the image appears distorted after flashing, you may have used a 1080p firmware version instead of the required 3840x2160 build. Download MS638 PC822 3840x2160 Aconatic 49DSU800 part1 rar
If the TV doesn't recognize the update, try a different USB port or ensure the drive is formatted correctly to FAT32.