Digi Connect EZ 4 User Manual page 754

System administration
Downgrading from firmware version 22.2.9.x
Beginning with firmware version 22.2.9.x, the Connect EZ device uses certificate-based
communication for enhanced security when connecting to Digi Remote Manager. If you downgrade
your firmware from version 22.2.9.x to version 21.11.x or previous, your device will no longer be able
to communicate with Remote Manager.
To remedy this issue, select the device in Remote Manager and select Actions > Reset Device
Certificate.
Update firmware over the air (OTA) from the Digi firmware server

WebUI
1. Log into the Connect EZ WebUI as a user with Admin access.
2. On the main menu, click System. Under Administration, click Firmware Update.
3. Click Download from server.
4. For Version:, select the appropriate version of the device firmware.
5. Click Update Firmware.

Command line
1. Log into the Connect EZ command line as a user with Admin access.
Depending on your device configuration, you may be presented with an Access selection
menu. Type admin to access the Admin CLI.
2. >Use the system firmware ota check command to determine if new modem firmware is
available on the Digi firmware repository.
> system firmware ota check
Current firmware version is 21.11.60.63
Checking for latest Connect EZ firmware...
Newest firmware version available to download is '22.2.9.85'
Digi Connect EZ 4/4i User Guide
Update system firmware
754