1. Find "Carrier"
2. Select network
To select network manually, press the indicator next to "Automatic" until the function is deactivated.
Press the required network.
To select network automatically, press the indicator next to "Automatic" until the function is activated.
3. Save settings
Press Settings to save the setting.
4. Return to the Home screen
Slide your finger upwards starting from the bottom of the display to return to the Home screen.