3 year ago I bought aaja Nokia 501 at the rate 5100.after use I feel bad experience with this , it is cheap mobile and price was high , it is not android, and at the time run a net , it has big hanging problem .it is not PDF file supporter .all over it not according to updating.it is useless , I have this but I not use this because I am using LYF Android mobile flam 2.i suggest don’t buy this mobile you can purchase other mobile of Nokia.