Hi guys, I have been using the Redmi Note 4 for about 2 months and trust me it’s a great phone. I am using 64GB-4GB version and there is no lag I have ever encountered within this 2 months. Secondly, battery life is great. I, personally a heavy user, get a Screen-on-time of 6-7 hours keeping Mobile data/WiFi on all the time. And after this I get a backup of about 1 day easily. Sound quality is also good. Good bass you can get if you are using a good earphone. Screen quality is good. Build quality is also great, you will feel it premium when you hold it. So overall I will rate it a 8/10. The only thing which I don’t feel it up to the mark is the automatic brightness sensor. It’s not good. But still it’s a value for money deal.Hope this review helps you if you are planning to get one for you.Thanks, Peace