Samsung GH68-39988A Airplane mode, Wi-Fi

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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.
 From the Home screen, touch Apps ➔
Settings and touch the Airplane mode to
enable or disable airplane mode.
Tip: Airplane mode can also be controlled from Notifications,
and from Device options when you press and hold the
Power/Lock Key .
Wi-Fi
Set up and manage your phone’s connections to Wi-Fi
networks. Your phone supports Wi-Fi a/b/g/n.
For more information about using Wi-Fi, see “Wi-Fi” on
page 88.
Turning Wi-Fi On or Off
Turn your phone’s Wi-Fi service on or off. When you turn
Wi-Fi service on, your phone automatically searches for
available Wi-Fi networks.
Tip: When you turn Wi-Fi service on, your phone automatically
searches for available networks and displays them.
You can also turn Wi-Fi On or Off from Notifications.
1. From the Home screen, touch
Apps ➔
Settings .
2. Touch
Wi-Fi to turn Wi-Fi On or Off.