Do not power off the TV during the update; this can permanently brick the device. 🛠️ Step-by-Step Installation
Press and the physical Power button on the TV (not the remote). While holding, plug the power cord back in. Download MS638 PC822 3840x2160 Aconatic 49DSU800 part4 rar
Use a 4GB or 8GB USB 2.0 drive formatted to FAT32 . Do not power off the TV during the
If the update doesn't trigger, try a different USB port or a different brand of flash drive. Community Insights Download MS638 PC822 3840x2160 Aconatic 49DSU800 part4 rar
Ensure you have the official firmware files downloaded.
The process will take a few minutes to reach 100%. The TV may restart automatically.