Hi friends to day I am gining to explain about appo A57 it is the nice slime phone it has nive camera of 13 mp rare camera and it is also having nice 16 mp camera of frount it is the nice selfi camera and it has dual sim the android of v6.0 it has the nice battery of 2900 mAH non rem battery the display having verry nice touch and it is 5.2 inches this phone is used in 3G and 4G also it is volte high speed and also having wifi hot spot and bluetooth it is also having the finger print sensor thank you