Hello Frnd! I have buy this phone since last 2 month before .The phone is working too good.First time in MI note 4 with 4GB Ram with 64 GB internal storage with low price 12999 only.The camera quality is too good with autofocus.The most important this about Battery quality is much good compare to another phn.The battery is 4100mAH .upto 2 days u can use this phn in working condition.people love this phone.