I will say that the Oppo F1s is the best camera phone and the selfie of Oppo F1s is outstanding. The Oppo F1s has the primary camera of 13 MP with autofocus and LED flash light and the 16 MP Secondary camera which takes the perfect selfie taking ability. The internal memory of Oppo F1s is 32 GB and 3 GB RAM which gives the high speed to the mobile and has a sufficient storage space. The Oppo F1s is a duel sim mobile with both are the nano sim slots. The microSD card can be added upto 256 GB and the operating system is Android OS, v5.1 ( Lollipop) . So the Oppo F1s is the best selfie mobile.