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To check your DDEI version, go to Administration > Product Updates > Firmware.

The following image is an example of how to check for DDEI's current version.

check DDEI version

The following table summarizes and shows the upgrade path from different DDEI versions to the latest version, which is version 5.0.

Software VersionRelease DateEND-OF-LIFE DateUpgrade Path to Latest Version
2.502-26-201604-30-20202.5 → 2.6 → 3.0 → 3.5 → 3.6 → 5.1
2.5 SP108-10-201604-30-20202.5 SP1 → 3.0 → 3.5 → 3.6 → 5.1
2.604-07-201705-31-20202.6 → 3.0 → 3.5 → 3.6 → 5.1
3.011-03-201710-27-20193.0 → 3.5 → 3.6 → 5.1
3.107-07-20186-29-20203.1 → 3.6 → 5.1
3.210-31-201810-31-20203.2 → 3.6 → 5.1
3.504-30-20197-30-20213.5 → 5.0 → 5.1
3.612-27-201912-20-20213.6 → 5.1
5.006-30-20205.0 → 5.1
5.104-07-2021

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