Hi friends Vivo launch Vivo S1 launch after Vivo z1 successor I say Vivo S1 with amoled display finger print but now no success in finger scanner but display is better than IPS display 4500 mah battery back is good Vivo S1 helio p 65 proccer work on 2gh and camera triple camera 13+8+2 and wide angle 120 degree capture pic 32 megapixel front camera and camera performance is very good but rear camera more improve ment but after apdate is well.price with mid range is very attractive 4 gb120 GB Ram.17990 is best this segment.