Samsung Galaxy J2 mobiles is very good because the hang problem is low.This mobile is powered by 1.3Ghz quad core. I give 3 star out of 5 star. In this phone browse seamlessly and save data while you stream videos, shop online etc. This phone is powered by android 5.1 karnal version and 5 megapixel primary camera and 2 megapixel secondary camera.
Battery capacity 2000mgh
I have been used Samsung Galaxy J2 in last 1 year and there is no problem till now.
The phone packs 8 GB of internal storage that can be expanded upto 128GB via micro sdcard