Effects don't work on Face Time
No effects shown when effects button is clicked while Facetiming.
iPhone 8 Plus
No effects shown when effects button is clicked while Facetiming.
iPhone 8 Plus
The Effects button appears to only be operational on iPhone X or later.
You can do camera effects with your iPhone 8 Plus, but those do not use that particular button.
Add camera effects in FaceTime calls on iPhone - Apple Support
The Effects button appears to only be operational on iPhone X or later.
You can do camera effects with your iPhone 8 Plus, but those do not use that particular button.
Add camera effects in FaceTime calls on iPhone - Apple Support
Effects don't work on Face Time