I bought this product about 5 months ago .I am very happy to recieve this product because my Lyf mobile has an excellent battery performance. Lyf wind 4 is a very stylish and its design module is very good.There is no any heating issues.its reliability is very good and one more thing is that it has inbuilt very good-good applications like jio Tv, jio chat, jio money etc. Everyone should buy this pr