Hold the Power button on the TV (not the remote) and plug it into the wall.
: 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). Download CV628H B42 1366Г—768 China part4 rar
: A popular repository for LCD/LED smart TV firmware where you can find various builds for the CV628H-B42 board Hold the Power button on the TV (not
The indicator light should start blinking, showing the update is in progress. until it completes. part1 to part5)
: Once updated, if you need to adjust panel settings, the service menu code for this board is typically Menu + 1147 .