: You must download every single part (part01, part02, part03, and part04) before you can extract anything.

: 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?

Once you have the complete set, right-click on part01.rar and select "Extract Here" using WinRAR or 7-Zip .

on the TV (not the remote) and plug it back into the wall.

: 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.

to the root (main folder) of the USB. Do not put it in a folder. Power off the TV and unplug it from the wall. Insert the USB into the TV's USB port.

The software will automatically pull data from all other parts to recreate the original .bin or .pkg file.