Eric, I enjoy your reviews but there's one area you didn't do your homework on. It's ok because most of your colleagues do it as well. I sold my XA2 Ultra after about a week because of cellular performance. You didn't mention that while it does offer the newer Band 29 and 66, this phone doesn't support VoLTE or Wi-Fi calling on T-Mobile.
My only other gripe was the size of the icons - they're Mr. Magoo-sized and not customizable.