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 5.2 or higher (Application and manual downloadable from the Software section).
Wired LAN using EasyMP Network Updater.
Firmware can be updated using the following projector port only:
USB-A (using USB memory stick)