Jetron Set Top Box Software Update [hot] Today
Format a USB drive to FAT32 and copy the firmware file to the root directory (don't put it in a folder).
Ensure your USB drive is formatted to FAT32 and the file name hasn't been changed. Jetron Set Top Box Software Update
You cannot use a random firmware file. Flashing the wrong software will "brick" your device (turn it into an expensive paperweight). Format a USB drive to FAT32 and copy