I’ve never been a fan of how Samsung treats beta operating system updates. Admittedly, I’m saying that out of jealousy, because it seems that I’m never “eligible” to install one of them on any my devices. (My Pixels, on the other hand, are always enrolled in some kind of Android beta, and it’s a much easier and more…
source https://lifehacker.com/how-to-sign-up-for-samsungs-android-11-one-ui-3-beta-1845507501