As a service provider or reseller, you can update the account-level firmware version of Avaya J100 Series IP Phones for all their Avaya Aura X for Avaya Cloud Office (ACO) (ACO) customers at the same time.
On the Device Enrollment Services web portal, navigate to Company AccountsAccount Management.
Click More Actions.
Click ACO Firmware Management.
In the Firmware Version field, click the version to update all Avaya Aura X for Avaya Cloud Office (ACO) devices.
Click Submit.
ADDITIONAL INFORMATION:
To check if all Avaya Aura X for Avaya Cloud Office (ACO) devices are successfully updated to the selected version, go to the Log Viewer section.