In order to enable the Background Refresh Settings please follow these steps:
- Launch the 'Settings' app from your Home screen.
- Tap on 'General'.
- Tap 'Background App Refresh'.
- Toggle the switch to the right of the 'Background App Refresh' title to enable. The switch will become green when toggled on.
- Toggle 'Background App Refresh' switch to the right of the app for which you wish to enable. The switch will become green when toggled on.