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Digital signature
You can make digital signatures with your phone if your SIM card has a
security module. Using the digital signature can be the same as signing
your name to a paper bill, contract, or other document.
To make a digital signature, select a link on a page (for example, the title
of the book you want to buy and its price). The text to sign is shown,
which may include the amount and date.
Check that the header text is Read and that the digital signature icon
is shown.
If the digital signature icon does not appear, there is a security breach,
and you should not enter any personal data such as your signing PIN.
To sign the text, read all of the text first, and select Sign.
The text may not fit within a single screen. Therefore, make sure to scroll
through and read all of the text before signing.
Select the user certificate you want to use. Enter the signing PIN. The
digital signature icon disappears, and the service may display a
confirmation of your purchase.
16. 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, network operator, or other vendor.
To set the phone to show you the confirmation messages sent between
your phone and the network when you are using the SIM services, select
Menu > Settings > Phone > Confirm SIM actions > Yes.
Accessing these services may involve sending messages or making a
phone call for which you may be charged.
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