Some of iOS 7's features -- including hidden settings -- could be killing your phone's battery life. Here's how to make sure your iPhone makes it through the day. Thing is, it's not the standout features like AirDrop or the Notification Center -- it's the stealthy settings buried beneath a stack of menus. If you're noticing a quickly draining battery, or just want to get more juice out of your battery, make changes to these settings. Background app refreshing This welcomed feature finally lets background apps stay active while you multitask. The trouble is that by default all apps are set to refresh, uselessly stealing precious battery life. To fix that, go to Settings > General > Background App Refresh. Here, you can choose to disable the setting altogether, or just turn it off for the apps that don't need refreshing. Automatic updates A time-saver no doubt, iOS's automatic updates keep your apps up-to-date so you don't have to. According to...
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