To my personal knowledge, all available software is listed on our support page. If the version you are after is not listed we are no longer hosting it due its age and the fact the device may be end of life.
I suggest you work with a Poly reseller and look at any trade-in offers available.
Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.
---------------- The title Poly Employee & Community Manager is a community setting and does not reflect my role. I am just a simple volunteer in the community like everybody else. All posts and words are my own & do not represent the views of Employer.
Notice: This community forum is not an official Poly support resource, thus responses from Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge. If you need immediate and/or official assistance please open a service ticket through your proper support channels. Please also ensure you always check the VoIP , Video Endpoint , Skype for Business , PSTN or RPM FAQ's