The Nokia 1.3 is supposed to convince as a cheap smartphone especially by the price. With a replaceable battery and face recognition for unlocking it would have good beginnings, but it doesn't exactly make everyday life easy for its user due to detail errors.
https://www.notebookcheck.net/Nokia-1-3-Smartphone-Review-Small-Nokia-Mobile-Phone-with-Weaknesses.465744.0.html
My mother's Nokia 1 also has a removable back cover without a notch. The tip to remove the back cover is to hold down on the rear camera with your thumb and then the cover comes off easier.