Iphone 6s plus turns off with battery
Since i update my Iphone 6s Plus to ios 10.0.2 turns off with battery, it doesnt matter if i have 20% 40% 30% it Turns off and when i wanna turn it on again show me that the battery is empty. So i need to conect the lightning and then turns on again with the battery percent i already had. How can i fix that? i already install the ios again and didnt fix the problem.... Help Please
iPhone 6s Plus, iOS 10.0.2