My favorite smartphone is samsung galaxy j7-6. this smartphone is so much latest and so much latest system. this smartphone camera, display, every this are so much well.4g network very fast speed.looking very nice this smartphone.not only looking beautiful but also product are very higher. when you use this smartphone then you know this phone how good.i have a samsung galaxy j7. now my phone very good service. charge backup are very good.this smartphone all softwere are very fast and very esay use this phone.