So this morning my Galaxy s7 said there was a software update available. I tapped accept and once the phone had rebooted. I noticed right away that the interface was far lower quality than prior and there were no new features. It seems I upgraded from Marshmallow to whatever the android 7.0 name is. My question is; can I undo the software update? I liked the other interface better because the notification drop down was easier to read quickly while this one has smaller and more tight-fitted text.