Samsung SM-G386TZKATMB - Manual (Page 233)

233 Section 9: Changing Your Settings
Mobile networks
Before you use applications such as Google Maps and find your location or search for
places of interest, you must enable the Mobile networks options.
► From the More networks page, tap the Mobile networks field.
The following options display:
Use mobile data
Allows you to activate mobile data usage on your device.
1. From the Mobile networks page, tap the Mobile networks field.
2. Place a check mark in the Mobile data field to activate the feature.
Data Roaming
Data roaming allows you to connect to your service provider’s partner networks and access
data services when you are out of your service providers area of coverage.
► From the Mobile networks page, tap Data roaming to connect to data services while
roaming outside your network.
– or –
Tap Data roaming again to remove the green check mark and deactivate the
feature.