Can a specific model be updated without updating Spectrum itslef

Document ID : KB000107737
Last Modified Date : 01/08/2018
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Introduction:
Can a specific model/class be updated without updating Spectrum itself
Question:
We currently are using Spectrum 9.4.0.0.23. We are not ready to migrate to Spectrum 10. But we would like to find out if there is a way to update the UPSApc92xxx class. 
Environment:
9.x
Answer:
You could import the current MIB for the class however as old releases are not supported you should update Spectrum to 10.2.3