Zoom room control option disappeared on TC8 page

Dear Team,

We have a integration of Extron/Poly TC8/G7500 device with Zoom Platform, recently we updated the OS/ Firmware version (6.1.0 to 6.2.6) of Poly devices in Zoom admin portal, after upgradation Room control option (Extron Control) had disappeared from zoom home page of TC8.Now is any way we can downgrade it.??

With Regards,
Vikas