OPPOF1s is the mostly selling phone in india because of their camera feature beacause it comes with 16mp front camear+13mp rear camera which gives us very good photos in low light as well as day light conditions it comes with meadiatek MT6750 processor which is good but not very good and it comes with 5.5 HD screen which is average in outdoor conditions it comes with 4GB ram and 64gb internal storage which gives good experience to the user it have a issue of heating while playing games and doing multitasking it have a 3075 non-removal battery which give 1 day power but for high user it cant give all day battery life.this phone is good by its camera otherwise it is note a good phone it is average phone in this price range.