Nokia 5310 XpressMusi EN - Manual (Page 49)

SIM services
Your SIM card may provide additional services. You can
access this menu only if it is supported by your SIM card.
The name and contents of the menu depend on the
available services.
For availability and information on using SIM card
services, contact your SIM card vendor. This may be the
service provider or other vendor.
To show the confirmation messages sent between your
phone and the network when you are using the SIM
services, select Menu > Settings > Phone >
Confirm SIM actions
Accessing these services may involve sending
messages or making a phone call for which you may be
charged.
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