17. 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.