Restrict Data Usage by App - Samsung Galaxy Stellar™

 Some apps depend upon background data (transferring data when not directly in use). Restricting background data may cause those apps to stop functioning unless a Wi-Fi connection is available.

1. From a Home screen, tap Apps (located in the lower-right).
2. Tap Settings.
3. From the Wireless and network section, tap Data usage
4. Tap an app (located below the usage graph).
5. Tap Restrict background data.
   Enabled when a check mark is present.
6. If presented, review the message then tap OK.

 Click here for info on setting data limits and warnings, changing the usage cycle on your device and viewing data usage by app.