I am still using mi A1 from 3months and anybody have need a good battery life then you can bought this phone the battery can run for 15hours by common use.And the most affecting feature of this mobile is fast fingerprint sensor. it have 13 mega pixel rear camera for a perfect selfie and 5megapixel front camera.The xiomi updated all the new features in this mobile phone and the bucka effect is the another feature of this mobile and it have a new way for taking screenshot.So, I suggest you to buy this phone by my experiance