Download Ms638 Pc822 3840x2160 Aconatic 49dsu800 Part4 Rar May 2026
To update your with the MS638.PC822 firmware, follow this guide to ensure a smooth installation and avoid "stuck on logo" issues. 📥 Prerequisites
Release the button when you see the "Software Upgrading" progress bar on the screen.
Press and the physical Power button on the TV (not the remote). While holding, plug the power cord back in.
Ensure you have the official firmware files downloaded.
Power off the TV and unplug it from the wall. Insert the USB drive into the USB 1 port. Initiate Update:
Do not power off the TV during the update; this can permanently brick the device. 🛠️ Step-by-Step Installation
The process will take a few minutes to reach 100%. The TV may restart automatically.
To update your with the MS638.PC822 firmware, follow this guide to ensure a smooth installation and avoid "stuck on logo" issues. 📥 Prerequisites
Release the button when you see the "Software Upgrading" progress bar on the screen.
Press and the physical Power button on the TV (not the remote). While holding, plug the power cord back in.
Ensure you have the official firmware files downloaded.
Power off the TV and unplug it from the wall. Insert the USB drive into the USB 1 port. Initiate Update:
Do not power off the TV during the update; this can permanently brick the device. 🛠️ Step-by-Step Installation
The process will take a few minutes to reach 100%. The TV may restart automatically.