There are two primary ways to update this motherboard: via the Internet (OTA) or manually using a USB drive. Method A: Online Update (The Easiest Way) How to Update System Software in your SMART TV?
Download the correct firmware file for your specific TV brand and model onto a USB drive (root directory). Insert the USB drive into the TV's USB port.
Master Guide: Updating the CVTE MSD338 512M Smart TV Motherboard for Optimal Performance cvtemsd338512m smart tv update upd better
Go to → About → Software version (Android 4.4) or Settings → Device Preferences → About → System update → Version (Android 9). On older MSD338 boards, this is often found near the bottom of the main settings screen.
Executing a system update provides several critical advantages: There are two primary ways to update this
If your television successfully connects to the internet, look for the native system menus to pull down any available automated updates.
If your television successfully boots into the user interface but exhibits severe app crashes or performance drops, you can initiate the upgrade via the hidden technician menu: Insert the USB drive into the TV's USB port
This motherboard serves as the "brain" of the television, managing video processing, Wi-Fi connectivity, and the Android operating system. With only 512MB of memory, the board can struggle with modern, resource-heavy apps. A firmware update optimizes how the system handles this limited memory, which "betters" the user experience by reducing lag and preventing app crashes.
Copy the downloaded firmware file to the root directory of the USB drive.