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  Default language status: Check whether the 
text-to-speech output feature supports the current 
system language. 
  Pointer speed: Select how fast the pointer/mouse should 
scroll when you connect the phone to a trackpad or mouse 
accessory. 
Wireless and Networks 
Data Usage 
Touch the Home Key >    > Settings > Data usage to 
manage mobile data use.   
Touch the switches to turn on or off mobile data and data limit. 
You can check how much data has been used during the time 
cycle you set, set a mobile data limit and warning, see what 
apps have been using mobile data, or restrict background data 
for individual apps. 
  NOTE: 
The data usage is measured by your phone. Your carrier’s data 
usage accounting may differ. 
Airplane Mode 
Touch the Home Key >    > Settings > More > Airplane 
mode to turn airplane mode on or off. All the phone’s radios 
that transmit voice or data are turned off when airplane mode is 
on.