User Guide
Page 56
... to Networks and Devices Connecting to Mobile Networks When you buy your phone and sign up for service, your phone is restricted. Connected to the 4G network (LTE). Connected to use the fastest mobile network available for transmitting data. You can also configure your phone to access a different set of... data with a Wi-Fi connection when Global data roaming access is configured to another wireless service provider's network (roaming). the more bars that 's covered by your provider's mobile networks for voice calls and for data.
... to Networks and Devices Connecting to Mobile Networks When you buy your phone and sign up for service, your phone is restricted. Connected to the 4G network (LTE). Connected to use the fastest mobile network available for transmitting data. You can also configure your phone to access a different set of... data with a Wi-Fi connection when Global data roaming access is configured to another wireless service provider's network (roaming). the more bars that 's covered by your provider's mobile networks for voice calls and for data.