Download - Mt56552 Lf1v339 Part01 Rar
If you have extracted the firmware file (usually ending in .pkg ), the general manual update process for these TVs is as follows:
: Format a USB drive to FAT32 and place the firmware file in the root directory (do not rename it). Download MT56552 LF1V339 part01 rar
: Turn off the TV and insert the USB into the lower USB port. If you have extracted the firmware file (usually ending in