Samsung galaxy j1 is not work nicely. I mine that its good but not butter or best. Because I m useing samsung galaxy j1. I well buy samsung galaxy j1 rs 6500. In same cost I well other like intel, micromax. But the camera was nice back camera 5mm and frond camera 2mm it good and u power saving also nice . Everything is ok and I believe the name samsung brand. Typing also good fast all over thing good but not best. Thank you