: Installing the wrong resolution firmware (e.g., 1366x768 on a 1080p panel) can cause the display to fail or brick the board. Always verify your panel resolution before flashing.

: Use a tool like WinRAR or 7-Zip to extract "Part 1." This will automatically merge and extract the contents of all related parts into a single folder.

The specific file CV338H-A42-1920x1080-ELEKTA.rar can often be found on specialized firmware repositories and community forums.

: Once the update reaches 100%, the TV may restart or go into standby. Remove the USB drive and power the TV back on.