Don't have Telegram yet? Try it now!
https://thomascheng.net/2018/10/05/upgrade-vmware-airwatch-workspace-one-from-version-9-1-to-9-6-and-beyond-part-5-content-gateway-upgrade/
Upgrade VMware AirWatch/Workspace ONE from version 9.1 to 9.6 and beyond: Part 5 - Content Gateway Upgrade