Hi friends I am sharing my experience about mi.com. customers service are too bad. they does not help me in buying product. this android app is worse app I have ever use.afer many harassment I have brought mi power bank from here because in other site it was out of stock. but product is duplicate. when I wanted to register this power bank in mi online site they showed me that product was not of mi??. and aslo delivery time also very late. I got the product after 20 days. dont buy product from here.