facetime

Hi questions_abt_facetime,

Welcome to the Apple Community!

Re: my screen share button on facetime is gray, why?

Wondering if your iOS software is up-to-date with the latest version.

or

Some FaceTime features might not be available in all countries or regions

____________________________________________________________

Apple Support's online article:

Share your screen in FaceTime on your iPhone or iPad - Apple Support

says you need: iOS or iPadOS 15.1 or later

If needed:

How to: Update your iPhone, iPad or iPod touch – Apple Support (AU)

(NB: It's always a good idea to back-up your iPhone before updating.)

All the best :-)