You can update the projector's firmware using a USB storage device or a computer and a USB cable.
If a firmware update is available for your product, you can select the Firmware Update option in the projector's Initial/All Settings menu. The projector enters firmware update mode and is ready to perform a firmware update. If a firmware update file is not found, the projector enters standby mode.
You can download your firmware update file from your product's support page.