Turn off the TV and unplug it from the power outlet. Insert USB: Plug the USB drive into the TV's USB port. Initiate Flash:
In the world of industrial displays, commercial all-in-one advertising players, and customized monitor mainboards, the chipset paired with 512MB of RAM is a staple. Powering everything from digital signage in retail stores to smart display boards in conference rooms, this platform is reliable—but like any embedded system, it requires periodic firmware updates.
You have flashed firmware configured for a different display resolution. You must source the exact dump file matched to your panel number (found on the sticker inside the TV chassis).
Before downloading any files, you must understand the specifications of your hardware. The MSD338 series typically runs an older, lightweight version of Android (usually Android 4.4 or 7.0) optimized to run on low-memory footprints. Mstar MSD338 (MSD338STV / MSD338STV5.0) RAM: 512 Megabytes (512M) Storage: 4GB or 8GB eMMC Flash OS Platform: Android Smart TV Platform Cvte Msd338 512m Update
Only when needed. If it works stably, do not update. Consumer-oriented updates are rare; commercial users update once every 12–18 months.
The firmware file might be corrupted, or the internal eMMC flash memory has developed bad sectors. Download the file again and repeat the process with a different USB drive.
# On Windows (cmd as admin) diskpart list disk select disk X (your USB) clean create partition primary format fs=fat32 quick active exit Turn off the TV and unplug it from the power outlet
Built-in Wi-Fi, RJ45 Ethernet, HDMI, USB 2.0, AV, and RF Why Update or Reflash the MSD338 512M Board?
While holding the power button, plug the AC power cord back into the wall outlet.
If you encounter a persistent boot loop where the TV gets stuck on the loading logo even after a flash, your eMMC chip may have sustained physical sector degradation. This requires replacing the physical flash chip or using a programming tool like the to flash the mainboard directly over an ISP connection. Powering everything from digital signage in retail stores
Smart TV mainboards powered by the Mstar MSD338 chipset are incredibly common in budget and mid-range televisions worldwide. Manufactured by CVTE (Guangzhou Shirui Electronics), these boards are the backbone of brands like Changhong, Skyworth, TCL, and various unbranded generic smart TVs.
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