: Use a high-quality USB drive formatted to FAT32 .
: A popular repository for LCD/LED smart TV firmware where you can find various builds for the CV628H-B42 board Download CV628H B42 1366Г—768 China part4 rar
: If you have multiple .rar files (e.g., part1 to part5), you must have all parts in the same folder. Right-click only the first part and select "Extract Here" to get the full firmware file (usually a .bin or .img file). : Use a high-quality USB drive formatted to FAT32