I using this smartphone. from last 2 months. very good product from last 2 months no any promblem in this phone.specification are good but the price is high. and the storage is low. only 16gb but ram is good 3gb and battery is 3300mah but I am using both smartphone j7 prime and j7 2015 the j7 2015 has 3000mah battery and j7 2015 permfomance is good from it yaa I think j7 2015 is best from it. and the j7 prime was very high and the j7 has affordable and good. I rocommded to buy the j7 old series but you think their ram is low no problem you can also buy j7 2016 model it has 2gb ram and affordable price for you.