This phone is not very good. but I am using this phone since 1 year and no face any huge problems. this phone is works on ios 7.1.2 version and this is last update for this Iphone. camera is pretty good. sound is also fine. it is good phone but it has battery problem. battery is 1420(mAh) so it is not works at least one day after using 6 month. ram is 512 Mb I don’t like it. it is not good for playing game. no my phone has hanging problem when I play any games. style is grate and design is good but it is too much heavy. eay to use on one hand. overall this phone average. if planing to buy this phone so, please do not buy. I pay for this phone is 13, 465.