Samsung galaxy j2 is best phone for middle class people Android 5.1 lollipop skinned with touchwiz Ui with 1 GB RAM and 8 GB ROM and can support Micro SD card up to 128 GB. The best thing is that this smartphone never hang either u open many apps at the same time.
This phone has 5 MP with, f/2.2 autofocus LED in best quality and front camera is 2 MP with, f/2.2. So friends buy this if you are looking for a smartphone and I m very glad to using this smartphone.