Sharp AQUOS Crystal - Manual (Page 176)

174
Global Roaming
Handset is Global Roaming Service eligible. Use the same
handset number outside Japan.
Setting a Cellular Provider
Handset connects to an appropriate cellular provider
automatically by default. To set a cellular provider manually:
In app sheet, (Settings)
Other settings Network settings
Mobile networks
Network operators
Tap provider
Cellular provider is set.
・To set an appropriate cellular provider automatically, Tap
Choose automatically .
・To search for all available cellular providers, Tap Search
networks .