Wi-Fi Settings; Bluetooth; Data Usage - Samsung Galaxy S4 User Manual

Wi-Fi Settings

Your device supports Wi-Fi a/b/g/n. Use Wi-Fi settings to
manage your device's Wi-Fi connections.
For more information about using your phone's Wi-Fi
features, see "Wi-Fi" on page 129.
Wi-Fi Direct
Wi-Fi Direct allows devices to connect to each other directly
via Wi-Fi, without a Wi-Fi network or hotspot, and without
having to set up the connection.
For more information about using your phone's Wi-Fi Direct
features, see "Wi-Fi Direct" on page 131.

Bluetooth

Bluetooth is a short-range wireless communications
technology for exchanging information over a distance of
about 30 feet.
For more information about using Bluetooth to exchange
information with other Bluetooth devices, see "Bluetooth" on
page 133.

Data Usage

Monitor data usage, and control your phone's connection to
mobile data service.
Note: Data is measured by your phone. Your service provider
may account for data usage differently.
1. From the Home screen, touch
Settings
Connections Connections Connections Connections
2. Touch Data usage
your phone's connection to mobile data service.
• When disabled, you will not be able to use the Internet, sync
email, or use any app that requres a data connection unless
you are connected to a Wi-Fi network.
3. Touch Set mobile data limit to disable the mobile data
connection when the specified limit is reached.
Apps
Connections.
Mobile data to enable or disable
Settings 146