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Internet connection 
On the 
Data usage
 screen, touch  to open an option menu, from which 
you can:
• 
Turn data roaming on or off.
• 
Prevent background mobile data traffic.
• 
Turn automatic data synchronization on or off.
• 
Select the 
Show Wi-Fi usage
 check box. The 
Wi-Fi
 tab will be displayed. 
Touch this tab to view Wi-Fi data usage.
• 
Touch 
Mobile hotspots
 and select the Wi-Fi networks that are mobile 
hotspots to prevent applications from accessing these networks in the 
background. If an application is downloading a large file using these 
networks, you will be notified.