I think that nokia lumia 638 is a waste of money to buy .it has no great features as compare to others mobil.and its price also very high as compare to others mobil.now nokia company has to do something they dosent have mind they should have to remove new mobil as samzung vivo oppo are launching a new varieties for consumer. Nokia lumia 638 is a very bad mobil to buy its has no features and its hanging also .so the people if u have lots of money and its wasted for you so you can buy noki lumia 638.
Nokia company u should also be changed while launching a mobil gives some new features new camera like dslr.its my opinion dont feel so bad .