Its a great phone for its price.i am using this mobile last 3 month, all feautres is very good and most one it reduses the data consumtion.both sim are 4g.easy to handle and smooth multitouch with super amoled display and also support otg.phone is looking good .and without hanging .both camera are good.video recording is nice.this mobile valued for money.i think is the best product .i did not felt much lag while using the phone.also data saving mobile.