Method 1: Automatic USB Forced Update (Common for "Stuck" Boards) This method is used when the TV cannot boot into the menu. Prepare USB: Format a USB drive (ideally 4GB–16GB) to Load File: Copy the firmware file (often named allupgrade_msd338_512M_sos.bin or similar) to the root directory. Initiate Update: Unplug the TV from power. Insert the USB drive into the TV's USB slot. hold the Power button on the TV cabinet (not the remote).
The CVTE (Guangzhou Shirui Electronics) MSD338 is a popular universal Android TV motherboard. The "512M" designation indicates that this specific variant is equipped with . Chipset: MStar MSD338 series.
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