Now I am using samsung on 7 pro it is normal mobile but only ram and rom are 2gb and 16gb.its camera is very poor compression to Samsung galaxy j7 both mobiles camera are same 13 mp but in j7 camera is very good.in all samsung on7 pro mobile problems are comes from flash light and OTG.in my mobile one time motherbord is changed.its all specifications are not actual.only temperery.and its display are not a super amoult.and in this mobile only 1 sim is 4g.means at the same time we can never use two 4g sim.