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.
When you see , it means the firmware is so large it had to be split into multiple pieces (often 4 to 10 parts). Download CV358H A50 1920x1080 CONIC part04 rar
Once you have the complete set, right-click on part01.rar and select "Extract Here" using WinRAR or 7-Zip . to the root (main folder) of the USB
: 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 Download CV358H A50 1920x1080 CONIC part04 rar