It looks like you’ve provided a firmware or software package filename, typical for embedded systems, networking devices, or test equipment.
To deploy this specific package, administrators typically use one of three methods: dx80.ce8.2.0-syn213b.rel.pkg
Given its structure and naming conventions, dx80.ce8.2.0-syn213b.rel.pkg might serve one or more of the following purposes: It looks like you’ve provided a firmware or
Re: Downgrade DX80 from CE8.3.1 to Android - Cisco Community Installation considerations and procedure
Are you planning to perform this conversion on a single device via the web interface, or are you deploying it across a fleet using Cisco Unified Communications Manager? Cisco TelePresence CE Software Release Notes (CE8)
Intermediate Version: The DX80 must usually be running a version of CE 8.2.x (like CE 8.2.1 or 8.2.2) before applying the conversion package.