You can select a specific local carrier to use when traveling internationally. At the time of purchase, your phone is preset to connect automatically to an appropriate carrier in your current area.
- Tap > Settings > Networks tab > More > Mobile networks > 4G settings > Network operator.
- Tap an available network.
- The selected carrier is set.
- To automatically select an appropriate carrier (default), tap Choose automatically.
- To search for all available networks, tap Search networks.