1. Find "Background App Refresh"
Tap Settings.
Tap General.
Tap Background App Refresh.
2. Turn background refresh of apps on or off
If you turn on background refresh of apps, app content will be updated when a connection to a Wi-Fi network or mobile network is established.
Tap the indicator next to "Background App Refresh" to turn the function on or off.
3. Turn background refresh of specific apps on or off
Tap the indicator next to the required app to turn the function on or off.
4. Return to the home screen
Tap the Home key to return to the home screen.
