How to fix[iPhone] iOS 11.3 battery drain issue?

Is your iPhone X having iOS 11.3 installed in it and battery draining fast all of a sudden? iPhone generally granted 10 to 12 hours of battery life while browsing the web, checking mail and watching video, but if you have just updated iOS 11.3 you will find serious drain in your battery power. Some … Read more How to fix[iPhone] iOS 11.3 battery drain issue?