Enter your PIN http://vitusbikes.com/products/energie-gr/ viagra 007 for sale The battery-draining culprit that perhaps bears the most responsibility is a new feature called Background App Refresh, whose default is set to “on” in iOS 7. It lets apps run in the background while you multitask and continually refreshes content when running on Wi-Fi or a cellular network. To disable this feature, visit Settings > General > Background App Refresh. Here, you can turn off the entire function or just disable that apps you don’t need to refresh on an automatic basis.