![iOS 11.4.1 battery life. So I did my own battery life test on my iPhone 8 Plus. On iOS 11.4 I could barely get 8 hrs usage with around 15-20% by end iOS 11.4.1 battery life. So I did my own battery life test on my iPhone 8 Plus. On iOS 11.4 I could barely get 8 hrs usage with around 15-20% by end](https://i.redd.it/40huxben9ib11.jpg)
iOS 11.4.1 battery life. So I did my own battery life test on my iPhone 8 Plus. On iOS 11.4 I could barely get 8 hrs usage with around 15-20% by end
![Apple FIXES battery-drain issue affecting iPhones and iPads with iOS 15.4.1 update | Daily Mail Online Apple FIXES battery-drain issue affecting iPhones and iPads with iOS 15.4.1 update | Daily Mail Online](https://i.dailymail.co.uk/1s/2022/03/16/10/55422163-0-image-a-22_1647427691392.jpg)
Apple FIXES battery-drain issue affecting iPhones and iPads with iOS 15.4.1 update | Daily Mail Online
![Apple FIXES battery-drain issue affecting iPhones and iPads with iOS 15.4.1 update | Daily Mail Online Apple FIXES battery-drain issue affecting iPhones and iPads with iOS 15.4.1 update | Daily Mail Online](https://i.dailymail.co.uk/1s/2022/03/16/10/55422333-0-image-a-45_1647428162786.jpg)