Omar.Meer , via OnePlus 7 Pro , Dec 3, 2020 : As shown in the screen shot, I am cannot enable "Data Connection Switch During Calls" on my OnePlus 7 Pro. It is running the Open Beta 19. The option is there, but greyed out and I can't enable it Any ideas on how to fix this?
Bittoo06 , via OnePlus Community App , Dec 3, 2020 : You cannot enable data during a call. That's how it works.