Finger print sensor, it has a siri inbuilt in, it phone is the bigger then its cost. It is very great mobile and great price .it very good mobile as its size is small .the size of the makes it more impressive than other mobile .it is a type of virtual assistant .it has very powerful camera both front camera and rear camera are powerful.rear camera 8 mp but camera is fine. panorama, etc, also the speed of the phone is fabulous it has also a very powerful. its camera has special features like slow motion, I am happy with the product. I like it.
