Samsung galaxy j7 is good phone but not that much. I bought this phone . 2015 version. if I update thiss. the phone hangs . the bike mode of thiss. Not worked properlyy. and the major disadvantage of this phone is if the mobile hangs not automatically switched of. and but some place this work the good and optimized.but this mobile have the good processor. and ram 1.5. And I appreciate this reviw effect the chsnge on j7 and they will changee. And .make a chsnges and fix problrms thankyuu. the majr things about j67 is very good mobile with games . I wrote which is gibing problem to my mob. thankyuuu again