When you see , it means the firmware is so large it had to be split into multiple pieces (often 4 to 10 parts).
Once you have the complete set, right-click on part01.rar and select "Extract Here" using WinRAR or 7-Zip .
The software will automatically pull data from all other parts to recreate the original .bin or .pkg file.
Using the correct 1920x1080 resolution file is critical. If you accidentally install a 1366x768 version, your screen will look "scrambled" or inverted, requiring a difficult "blind" reset or a new flash.
: It should start blinking rapidly (red/blue). This means the update is in progress. Do not turn off the power during this time, or the motherboard will be permanently damaged. 4. Why Use Original Firmware?
: You should end up with a single file, likely named something like allupgrade_msd358_8G_1G.bin . 3. The "Brick-Proof" Installation To install this on your CV358H-A50 board: Format a USB drive to FAT32.
If you'd like, I can help you or give you troubleshooting steps if the TV doesn't start the update automatically. Model CV358H A50 China LED TV Motherboard
: Ensure all parts are in the same folder on your computer. If one part is missing or has a slightly different filename (like a (1) added by your browser), the extraction will fail with a "Checksum Error". 2. Extracting the Payload