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The security icon does not indicate that the data transmission between the gateway and the content server (or place where the requested resource is stored) is secure. The service provider secures the data transmission between the gateway and the content server.
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, which may include the amount and date, is shown.
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 (see ”Access codes,” p. 8), and select OK. The digital signature icon disappears, and the service may display a confirmation of your purchase.
9. My files
The My files menu contains the Gallery and Applications menus.
■Gallery
In this menu you can manage images, video clips, music files, themes, graphics, tones, recordings, and received files. These files are stored in the phone memory or an attached microSD memory card and may be arranged in folders.
Your phone supports an activation key system to protect acquired content. Always check the delivery terms of any content and activation key before acquiring them, as they may be subject to a fee.
Copyright protections may prevent some images, music (including ringing tones), and other content from being copied, modified, transferred or forwarded.
To see the list of folders, select Menu > My files > Gallery.
To see the available options of a folder, select a folder > Options.
To view the list of files in a folder, select a folder > Open.
To see the available options of a file, select a file > Options.
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