Samsung SGH-T769NKBTMB - Manual (Page 221)

Changing Your Settings 217
Tap Data roaming again to remove the green check mark
and deactivate the feature.
Access Point Names
To access a wireless access point:
ᮣ Press ➔ and then tap (Settings) ➔
Wireless and network ➔ 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.
ᮣ Press ➔ and then tap (Settings) ➔
Wireless and network ➔ 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) ➔
Wireless and network ➔ 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) ➔
Wireless and network ➔ Mobile networks ➔ Network
mode.
2. Tap GSM only. A check mark displays next to this option to
indicate that it is active.
Note: Connecting to 2G networks slows the data transfer speed and time.