Stop sending background data over the mobile network
To reduce the amount of data that your device uses when connected to the mobile network, you can stop apps and services
from sending data when you aren't actively using the app or service. If you restrict background data, apps and services
might not work correctly unless your device connects to a Wi-Fi network.
Swipe down from the top of the screen once using two fingers, or twice using one finger.
> Data usage.
If necessary, tap the Cellular tab, and turn on the Cellular data switch.
Do one of the following:
• To turn off background data for all apps and services on your device, tap > Restrict background data, and then
• To turn off background data for an app or a service, tap the app or service. Turn on the Restrict app background
data switch, and then tap OK.