Apple iPhone battery woes? Shutting all apps in multi-tasking won’t help

Apple iPhone users trying to save on battery life? The ‘kill all apps’ in multi-tasking menu, doesn’t do anything for your battery. (Source: Reuters)
If you’re an Apple user who’s trying to save on battery life, you might have gone to the multi-tasking menu, and shut all the running apps to prolong the same. Except that you probably wasted time for nothing.
Apple’s Senior VP of Software Engineering Craig Federighi confirmed the same, when he replied to an App