More Wireless And Network Settings - Samsung Galaxy S4 User Manual

Viewing data usage by app or process
1. From the Home screen, touch
Settings
Data usage. The Data usage screen displays.
2. Scroll down the page to see the top three processes or
apps using mobile data service. Touch a process or
app to see data usage for the process or app, and to
configure specific settings.
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Menu
Connections tab

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 [except for Emergency (E911) calls] or messages. You
can, however, make Wi-Fi and Bluetooth connections.
While in airplane mode, you can use other features of your
phone, such as playing music, watching videos, or using
other applications.
From the Home screen, touch
Settings
networks Airplane mode to enable or disable airplane
mode.
Menu
Connections tab More