apple iphone ios-11 has many charming functions like payments throuh instant messaging but it has some bad things too like stealing someones private messages and 1 main serious issue is battery power is much insufficient and battery dead to 0% after few hours of usage.
u can save battery of your iphone ios-11 by following steps..
1.Turn off Auto-Brightness hidden in Accessibility-Display Accommodations.
2.By updating your background app refresh settings.
3.Try to turn off your assistive touch.
need to hear thanx from all of u..