I have a Note 20 ultra that will not update to Android 12. My wife got the same phone on the same day at the same store, and hers has updated. My phone has had problems updating most of the time I've had it. Even manually checking for them or trying to use smart switch, won't allow it to update. It is an AT&T phone purchased from their store. I have performed every troubleshooting tip you can find online, but nothing works.
