Samsung Galaxy S 4 mini User Manual page 165

Default Setup Options
Your phone default is set to Automatic, which causes your
phone to automatically search for an available network.
To select a network each time you connect, set this option to
Manual:
1. From the Settings screen, touch
More networks
2. Touch Network operators.
3. Touch Default setup.
4. Touch Manual to locate and connect to a network
manually or touch Automatic to allow the device to
automatically select a network.
Connections
Connections
Mobile networks.
AT&T MicroCell
To search for an AT&T MicroCell:
1. From the Settings screen, touch
More networks
2. Touch Network operators
AT&T MicroCell.
Your AT&T MicroCell must be installed and activated
before you can connect to it. For more information, visit
att.com/esupport.
Connections
Connections
Mobile networks.
Search for
Settings 158