Hi guys I m lavi from punjab.Redmi Note 4 is a great phone and value for money really. Great battery backup, good cameras, good design, better performance in gaming, good RAM and Internal memory. I used this phone before but I did not face any issue with this phone. But now a days Majority of people is facing a problem on this mobile while upgrading software version . when we upgrade software version from MARSHMALLOW to 7.1.1 we face some issues create to apps. so I will say that use it with Marshmallow version. With Marshmallow it is working great like, smoothly working in games, fast working apps and browsing are awesome. Nothing any problem with this phone Don’t scared to buy this mobile . This is awesome, and value for money smartphone. It is also user friendly mobile brand.