Hi guys, my friend using mi a1 handset, best camera phone dual camera 12 mp camera, portrait mode is best, but redmi note note 4 compare to battery is poor, 3000 mah is very bad compare to redmi note 4, fastest charging in c-port, designing is good, processing is good Snapdragon and only available 4 gb ram and 64 gb rom is good all mi a1 mobile are same price, mi a1 launcher is not satisfied.