I Am using the MI A1 from last 2 month.but in two months not a single problem in my mobile.Cemera quality is the best in comparison to today all the running mobiles. Like a DSLR camera.complete blur in background. Processor also very nice snepdragon_ 625. Ram and Rom are both is very high 4gb and 64gb.body also very slim looking very sexy.and it bettery pic up very nice.sound quality are also very very standard.its display are slightly cure which is looking very nice.apps are installing very quickly