It is sporadic, but versions of Infinio that are older than 3.0 are still in use. This article provides very brief information on Accelerator 2.x versions.
Accelerator 2.x versions were released between Q2 2015 and Q1 2016.
None of the current user guides provide details for 2.x versions. Accelerator 2.x versions are no longer supported by our Technical Support Team.
To upgrade to a newer version, the older version should be uninstalled. If you need assistance with uninstalling version 2.x, contact our Support Team. They will escalate your request to our Professional Services Team.