Once a DX80 is on a newer CE version, it cannot be simply "downgraded" via a web interface or standard TFTP/HTTPS boot with a basic Android load. It requires a special "conversion" load to bridge the gap between the two different operating systems, and dx80.ce8.2.0-syn213b.rel.pkg is the specific bridging file.
: Signifies that this is an official "Release" version, fully tested and vetted for production environments, as opposed to a beta or engineering special.
: Many owners seek this file to repurpose their high-quality 23-inch 1080p touchscreens dx80.ce8.2.0-syn213b.rel.pkg
This package is part of a family that includes the dx70.ce8.2.0-syn213B.rel.pkg for the smaller DX70 model.
Are you registering them to an or to the Webex Cloud ? Once a DX80 is on a newer CE
is updated to newer CE code (such as CE 8.3, CE 9.x), the underlying storage partition layout is rewritten. You cannot simply flash an Android firmware zip onto a CE-based machine.
Removing the Android framework eliminates vulnerabilities associated with consumer mobile apps, locking the device down strictly to enterprise communication protocols. : Many owners seek this file to repurpose
This file is a used to upgrade or restore the Cisco DX80.