Bad color quality --- Where is 32bit display buffer for iOS?

Hi,

I'm getting some bad color quality on gradients in my project on iOS.

Here's what it should look like (and looks like in the editor):


And here's what it looks like on my iPhone:



I've tried all kinds of different texture settings and shader generated gradients.

I've read in an old thread that you can enable "32bit display buffer" but I can't find it in my iOS player settings....

Bad color quality --- Where is 32bit display buffer for iOS?