Using the Data Saver function on your device can help you lower the amount of data you use. Data Saver will prevent some apps from sending or receiving data in the background.
1.
From the Connections tab in Settings, tap Data usage.
2.
Tap Data saver.
3.
Tap or slide the Turn on now switch to ON.
4.
You've completed the steps!
1.
From the Connections tab in Settings, tap Data usage.