Samsung Galaxy S4 Mini - Lock Screen; Screen Unlock Pattern Overview

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3. Tap
OK . The Airplane mode icon is displayed at the top of
your screen.
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 main Settings page, tap Connections tab ➔ More
networks
➔ Mobile networks .
The following options display:
Use mobile data
Allows you to activate mobile data usage on your device.
 From the main Settings page, tap Connections tab ➔ More
networks
➔ Mobile networks ➔ Mobile data .
Access Point Names
To access a wireless access point:
 From the main Settings page, tap Connections tab ➔ More
networks
➔ Mobile networks ➔ Access Point Names . A list of
the Access point names display. The active access point
displays a bright green, filled circle to the right of the name.