_udayraj_, Jun 18, 2019 : I did also had the same problem for 3 days, but now it works fine. I did heard that new phone need some cache buildup time and that uses much battery in that period. And also it also happens when you charge your phone too frequently, let the battery drain to less than 20 percent and then charge it. Always charge it to 100 percent in one go. We should do this in every new electronic gadgets.