Before you begin, you must identify your specific firmware version. Because this motherboard is used by various brands, using the wrong firmware can lead to a black screen or remote control failure.
Understanding the hardware limits of this board helps ensure you flash the correct firmware variant: : MStar MSD338 (ARM Cortex architecture) System Memory : 512MB DDR3 RAM Storage (eMMC) : Typically 4GB or 8GB NAND Flash
This method is ideal if your TV is stuck on the boot logo or won't turn on fully.
: Format a USB flash drive (8GB or smaller is recommended) to Copy the Update File : Place the firmware file (often with a extension) directly into the root directory of the USB drive. Do not put it in a folder. Insert and Power Off Cvte-msd338-512m Smart Tv Update UPD
CVTE-MSD338-512M (or specific sub-models like TP.MS338.PB801).
Disclaimer: Flashing third-party firmware voids your warranty. This guide is for educational purposes. Always discharge the power supply capacitors before touching the mainboard to avoid electric shock.
Remove the TV back cover. Look for a sticker: MSD338.Vx.x or CVT-MSD338-512M-REVx . If you flash the wrong revision, the remote control will stop working, or the screen will invert colors. Before you begin, you must identify your specific
First, understand what you are dealing with. The MSD338 is a MStar (now MediaTek) system-on-chip designed for entry-level HD TVs. The "512M" suffix is critical: it means .
Depending on the current state of your operating system, choose the update method that best fits your technical scenario. Update Feature Over-The-Air (OTA) Update USB Manual Binary Flash Operational UI & Wi-Fi connection. Complete brick, boot-loop, or dead OS. Data Preservation Retains user settings and downloaded apps. Wipes all user storage to factory defaults. Trigger Mechanism Initiated via the Android System Settings menu.
Use a high-quality USB drive formatted to FAT32 . : Format a USB flash drive (8GB or
Ensure the specific app is updated via the built-in app store or consider clearing the app's cache in the system settings. JustAnswer specific firmware version or resolution settings for your particular TV model?
Extract your downloaded firmware archive. Copy the main file (usually named MstUpd.bin , allupgrade_338_2G.bin , or similar) directly to the root directory of the USB drive. Do not put it inside any folders. Step 3: The Flashing Process (Force Update Method)
the firmware file directly to the root of the USB drive (not inside any folder). Turn off the TV and unplug it from the power outlet. Insert the USB drive into the USB 1 or USB 2.0 slot.