The design and working condition of nokia 3.1 plus is very good as it has alluminium body except for the glass front and plastc caps at the top and bottom of the rear. The sides of the body are rounded and the corners are curved so that the phone always comfortable in the hand. It has 3gb RAM and 32 GB inbuild, mediateck helio p22 processor which increases operating speed highly work with. The price of the phone is negotiable so use it