I use this phone atleast 1 year this phone is looking very good and stylish look .thiz phone is 4g smartphone and Dual slot is 4g+ 4g volte support. And phone RAM is 1.5gb and internal storeg is 8gb .and rear camera is 8 mp and front camera is 5 mp 720×1280 resolition.and 5 inch display and sound quality is very good and easy to use. And best brand phone this phone luanch is samsung on flipkart.thiz phone buy on flipkart.anf this phone speed is veey good.this phone android verzion is 5.1.1 lollipop and upgrad 6.0 marshmallow. And best feature inthis phone and led flash with rear camera.and full hd display large screen look.i use this phone very good .and best price smartphone ever .every latest feature in this phone.