To update your with the MS638.PC822 firmware, follow this guide to ensure a smooth installation and avoid "stuck on logo" issues. š„ Prerequisites
Release the button when you see the "Software Upgrading" progress bar on the screen. Download MS638 PC822 3840x2160 Aconatic 49DSU800 part4 rar
Ensure you have the official firmware files downloaded. To update your with the MS638
If the update doesn't trigger, try a different USB port or a different brand of flash drive. Community Insights plug the power cord back in.
The process will take a few minutes to reach 100%. The TV may restart automatically.
Once the TV boots to the setup screen, remove the USB drive and proceed with the initial configuration. ā ļø Troubleshooting
Press and the physical Power button on the TV (not the remote). While holding, plug the power cord back in.