USB update Steps: - Download the .img file to your PC - (Recommended) Verify the .img file using the MD5 checksum file - Rename the file from "ha8800_update_x.y.z.img" to "ha8800_update.img" - Put the file under the root directory of an USB thumb drive*. - Insert USB thumb drive with update firmware to USB port on the arcade control-deck. - A prompt should show on the screen indicates that there is an update file detected. - Select YES to reboot the system for update. *Note: USB thumb drive should not be NTFS format. Any of FAT16, FAT32, exFAT will work.