The samsung galaxy smartphone. have good specificstion . and style. its feature s are good.but.the otg cable the non support of USB OTG cable. I am making it as a cons because there are some who uses USB OTG as a daily file transfer medium from Pc. in my samsung j2 not supportable. in j2 . th 2nd problem is that. There is no fast battery charging technology. Means charging the battery from zero percent to hundred percent takes more than 4 hours. really I suffwred. and the last the memeory card and storage .above halfed fulled the mobiles hanged