Hi friends. This phone is 3g divice . This phone camera quality is very good but bettery life is very average. Bettery li ion 1850 this phone procceser average snap dragon this phone screen is very good . His sound quality is very good . Super amoled display .screen guard is very popular gorilla glass 3 best protection for screen internal memory avarege divise has led flash and autofocus . 3.5 mm jack his thinkness 9.4 his gpu andreno 220 but low lite image qulity is very good in this phone picture zoom quality very good this some time heating problem but otherwise this phone is avarage you are camera lover phone than you can buy this phone this phone backside is note good front side is very good a very usefully divice samsung is a tratable divice