Samsung SGH-T879ZBBTMB - Manual (Page 263)

Changing Your Settings 258
Access Point Names
To access a wireless access point:
Ⅲ Press ➔ and then tap Settings ➔ More... ➔
Mobile networks ➔ Access Point Names. A list of the
Access point names display. The active access point
displays a bright green, filled circle to the right of the
name.
Network mode
You can configure your phone to either manually detect and
use either a 2G (GSM) or 3G (WCDMA) data network
connection.
Ⅲ Press ➔ and then tap Settings ➔ More... ➔
Mobile networks ➔ Network mode.
Using the 4G Network
To confirm you are always using the fastest possible
connection, the phone has an automatic detection method
where it finds both the fastest and most stable connection/
communication method. This phone is capable of using
either 4G/3G services for this connection.
Note: WCDMA is only available on the 4G network.
1. Press ➔ and then tap Settings ➔ More... ➔
Mobile networks ➔ Network mode.
2. Tap GSM/WCDMA (Auto mode). A check mark displays
next to this option to indicate that it is active. This is
the default mode for this phone.
Using the 2G (EDGE) Network
If you are not using applications that require the 3G network
speed (any application that accesses the network or uses a
browser), using the 2G network saves battery life.
1. Press ➔ and then tap Settings ➔ More... ➔
Mobile networks ➔ Network mode.
2. Tap GSM only. A check mark displays next to this option
to indicate that it is active.