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International roaming
To use the terminal overseas, check the
following before departing from Japan.
■
Subscription
•
Check if you subscribe to WORLD WING.
For details, ask the contact on the last
page.
•
To use with ahamo plan, WORLD WING is
not needed to apply but cannot be
abolished.
■
Charging
•
For charging, refer to NTT DOCOMO
website.
■
Usage charge
•
Usage charges (call, packet
communication) overseas differ from
those in Japan. For details, refer to NTT
DOCOMO website. And before using with
ahamo plan, make sure to confirm the
details on the ahamo website.
•
Some applications perform
communication automatically. Packet
communication charge may be higher.
For operations for each application, ask
the application provider.
Network service settings
If you subscribe to network services, you can
use network services such as Voice Mail
Service, Call Forwarding Service, Caller ID
Display Request Service, etc., even overseas.
However, some network services cannot be
used.
•
To use network services overseas, you need to
set "Remote operation settings" (P.116) to
activate. You can set Remote operation
settings in a traveling destination (P.242).
•
Even if the setting/canceling operation is
available, some network services cannot be
used depending on overseas network
operators.
Before using overseas
Before leaving Japan
Advance preparation
Summary of Contents for Xperia 1 IV SO-51C
Page 1: ...INSTRUCTION MANUAL ...
