75 - Settings 
2. Drag the white vertical lines in the data
usage diagram to select a time period.
A list of apps that used mobile data during 
the time period appears under the
diagram. You can also see how much data 
each app used.
3. Touch an app in the list to view the
amount data used in the foreground and
background by the app.
Check Restrict background data to 
disable background data use for the app.
NOTE:
To disable background data for all apps when 
you are on mobile data networks, touch 
>  > Settings 
 
> Data Usage,
touch  and check Restrict background
data. 
Turn Auto-Sync On or Off 
1. From the home screen, touch   > 
Settings 
 
> Data Usage.
2. Touch    and check or uncheck
Auto-sync data to enable or disable this
feature.
3. Touch OK.
When auto-sync data is turned on, any 
changes you make to your accounts on the 
web will be automatically copied to your 
phone. Some accounts may also 
automatically copy any changes you make on 
the phone to the web. A Google Account 
works this way. 
To choose which kinds of information to 
sync within each account: 
1. Touch  > > Settings 
.
 
2. Select the account category and then the 
account.
When auto-sync data is turned off, you can 
conserve data and battery usage, but you'll 
need to sync each account manually to collect 
recent information. 
Mobile Hotspot Settings 
Mobile Hotspot allows you to turn your phone 
into a Wi-Fi hotspot. When this feature is 
turned on, you can share your phone‘s mobile 
data services via Wi-Fi with other Wi-Fi 
enabled devices. 
For detailed information on Mobile Hotspot 
settings, see Mobile Hotspot on page 54. 
To access the Mobile Hotspot settings: 
 Touch    > > Settings 
 
> 
Mobile Hotspot.
Default SMS App 
Choose the preferred application for sending 
and receiving SMS and MMS. 
1. From the home screen, touch   > 
Settings 
 
> More… > Default SMS 
app. 
2. Select an app you need.