Firmware can be updated using the following projector ports:
 USB-A (using USB memory stick)
 USB-B using a computer and USB cable
 Wired LAN using Epson Projector Management version 5.20 or higher. Applications and manuals downloadable from the Software section
 This latest version includes
 - Feature improvements
 - Bug Fix
Firmware can be updated using the following projector port only:
USB-A (using USB memory stick)