Dx80ce820syn213brelpkg Install ((top)) Jun 2026

| Issue | Likely Cause | Solution | | :--- | :--- | :--- | | Device reboots after installation but remains on CE software | Source CE version is 8.2.0 or earlier | Upgrade the device to first, then retry the conversion package. | | "Unknown error" message during post-install hooks | The synergy load is incompatible with the current firmware state, or required device prerequisites are not met | Confirm the device is running CE8.2.2. Perform a factory reset from the device's settings before attempting the conversion again. Verify the device package is correct for your exact model. | | Device hangs on Cisco splash screen for >20 minutes | The installation process was likely interrupted, or the software package is corrupt | Power cycle the device. If it still fails to boot, contact Cisco TAC immediately for recovery assistance. Do not repeatedly attempt the installation. | | Cannot find the file on Cisco's official download portal | Older software loads have been deferred by Cisco due to security vulnerabilities (CVE-2020-3143) | Do not search for the file on third-party sites. Open a service request with Cisco TAC , who can provide the software under your support contract. |

: Integrates with common calendaring programs for simple, one-tap meeting joins. dx80ce820syn213brelpkg install

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Or restart the related telephony service: | Issue | Likely Cause | Solution |

Reboot the host system or restart the upgrade service before retrying. Signature Invalid Missing or outdated root certificates. Verify the device package is correct for your exact model

in the device configuration to match the new package version. Web Interface: