Release the button when you see the "Software Upgrading" progress bar on the screen.
Do not power off the TV during the update; this can permanently brick the device. 🛠️ Step-by-Step Installation Download MS638 PC822 3840x2160 Aconatic 49DSU800 part4 rar
The process will take a few minutes to reach 100%. The TV may restart automatically. Release the button when you see the "Software
If the TV hangs on the Aconatic logo, the firmware might be incomplete or the internal memory (eMMC) may be failing. The TV may restart automatically
If the update doesn't trigger, try a different USB port or a different brand of flash drive. Community Insights
Power off the TV and unplug it from the wall. Insert the USB drive into the USB 1 port. Initiate Update:
Once the TV boots to the setup screen, remove the USB drive and proceed with the initial configuration. ⚠️ Troubleshooting