Samsung SGH-T409MBATMB - Manual (Page 24)

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If you have a T-Mobile router, select Yes. This action acquires the security
key or passphrase so that you are not required to manually type it into your
phone.
If you do not have a T-Mobile router, select No. You are then required to
enter your key or passphrase.
If you are not sure what your key or passphrase (WEP or WPA encryption)
is, please refer to your router documentation. (For T-Mobile routers see
"Get Security Key" on page 29.
4. Save the network when prompted. After the network saves to your Saved
Networks list, you automatically connect to that network each time you are
within range (see ‘Saved Networks” on page 26 for additional information).
You are connected to your first Wi-Fi network and can begin making calls using Wi-Fi
or your regular T-Mobile GSM network.
To access all of the Wi-Fi features on your phone, go to Menu > Settings > Wi-Fi.
If the Tutorial does not display on your phone, see "Connecting to Wi-Fi Networks"
on page 22.
Using Wi-Fi
Once set up for Wi-Fi connectivity, your phone automatically uses Wi-Fi, when
available, for all your mobile phone services. You simply use your phone in a normal
manner; there is nothing special you need to do. Your phone switches automatically
between Wi-Fi and cellular whenever it's necessary to maintain your connection,
whether your phone is idle or on an active call. When connected to Wi-Fi, the signal
bars change and the wireless network name displays in the upper left of the idle
screen as shown in the following illustration.
t409.book Page 21 Monday, July 23, 2007 3:58 PM