Samsung Galaxy S4 User Manual page 334

Network mode
You can configure your device to either automatically select the LTE
option (LTE/GSM/WCDMA (auto connect) [by default]), WCDMA/GSM
(auto connect), WCDMA only, or GSM only.
From the main Settings page, tap Connections tab
More networks
• LTE/GSM/WCDMA (auto connect) is the default network mode option.
This selection allows the device to choose the fastest connection from
among the available connection speeds, including LTE.
• WCDMA/GSM (auto connect) allows you to exclude the LTE network
and choose from only 4G, 3G, and 2G networks.
• WCDMA only restricts your connection to only the 3G network.
• GSM only restricts your connection to only the 2G network.
Using the LTE Network Option
To confirm you are always using the fastest possible connection, the
device has an automatic detection method where it finds both the
fastest and most stable connection/communication method from
among this selected set (LTE/4G/3G/2G).
1. From the main Settings page, tap Connections tab
networks
2. Tap LTE/GSM/WCDMA (auto connect). A selection indicator
displays next to this option to show that it is active. This is the
default mode for this device.
326
Mobile networks
Mobile networks
Network mode.
Network mode.
More