Easy to use, super crisp and clear. Holds a charge really well and charges lightning fast. The camera is really nice and clear also, both front and rear.
Going from a pixel 4a to the S21 was a mixed bag. I love the S21 screen, in-screen fingerprint reader, cameras and wireless charging, but the battery is only getting me to early evening, and the main apps (messages, phone, calendar, clock, keyboard) from Samsung are poor substitutes for the stock Android counterparts. You also can't uninstall it deactivate them, and they still somehow keep rearing their ugly heads (i.e. when I go into settings for the Google phone app I somehow end up in the Samsung phone app settings).