I purchased a asus zenfone 2 its working were well till know.great product from asus wide screen with 5000mah battery fast charger for such a big battery.asus zenfone 2 is the best than any other phone available in market in a best price.the quality of the phone is very good function are easy to handle comes with update zenapp available best rear camera up to the mark.the ram and phone is very fast.speaker volume is low but doesnt matter.the best phone available in the market I already suggested my friend to mobile from asus.thank u for d phone in a give away price