Select a communications method for an overseas carrier as needed.
- From home, tap Apps > Settings > Connections .
- Tap Mobile networks.
- Tap Network mode > CDMA / LTE/CDMA / GSM/UMTS / Automatic.
- The communications method is set.
Note: At the time of purchase, your phone is set to the Automatic mode by default. This allows global usage and normally will not need to be changed.