Hello matthewk4,
welcome to the Polycom Community.
The SPIP650 can upgrade to UC Software 4.0.x or 4.1.1 where the SPIP320 can only upgrade to UC Software 3.3.5 latest
Not knowing what Software you upgraded we are unable to comment.
Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.
Best Regards
Steffen Baier
Polycom Global Services