Redmi 5A is a ful featured mobile at a very cheap price.
Its camera quality is very good, if it used in perfect way.
Battery backup is so good you cant suppose also.
So, I suggest you to buy Redmi 5A phone, its a budget phone. This phone is 8.3 mm slim and weighs 137 grams. Its size is very excellent and it is perfect for daily use in life.