More Wireless And Network Settings; Airplane Mode - Samsung SPH-M840 Online User's Manual

Setting a mobile data limit
Set a mobile data limit, to have your phone
automatically disable the mobile data connection when
the limit is reached. You can set a warning threshold, to
have your device alert you when data usage nears
your set limit.
Important:
Data usage displayed/measured by your phone
may differ from your carrier's measured data
usage and is not guaranteed as the actual usage
measured by your carrier. Please check with your
carrier for actual data usage
1.
Press , and then tap
.
> Data usage
2. If it's not already checked, touch
on access to mobile data service.
3.
Touch
Limit mobile data usage
then drag the red limit line on the graph to set the
limit.
4.
Touch
Alert me about data usage
then drag the orange alert line on the graph to set
the alert.
46 2C. Settings
Menu > Settings
to turn
Mobile data
to enable the limit,
to enable the alert,

More Wireless and Network Settings

Airplane mode

When airplane mode is enabled, all your phone's
wireless connections are disabled, and you cannot
make or receive calls or messages or connect to
networks. While in airplane mode, you can use other
features of your phone, such as playing music,
watching videos, or other applications.
1.
Press , and then tap
.
> More settings
2.
Touch Airplane mode
mode.
Tip:
Airplane mode can also be controlled from Device
options when you press and hold the
Menu > Settings
to enable or disable airplane
Power/Lock Key
.