displayed when you are deleting several items at the same time, delete items one byone, beginning with the smallest items.Q: Why can’t I select a contact for my message?A: The contact card does not have a phone number, address, or e-mail address. SelectMenu > Contacts and the relevant contact, and edit the contact card.Q: How can I end the data connection when the device starts a data connectionagain and again?A: The device may be trying to retrieve a multimedia message from the multimediamessage center. To stop the device from making a data connection, select Menu >Messaging and Options > Settings > Multimedia message > Multimediaretrieval. Select Manual to have the multimedia messaging center save messages tobe retrieved later, or Off to ignore all incoming multimedia messages. If you selectManual, you receive a notification when you have a new message in the multimediamessage center. If you select Off, the device does not make any network connectionsrelated to multimedia messaging.To set the device to use a packet data connection only if you start an application oraction that needs it, select Menu > Settings and Connectivity > Admin. settings >Packet data > Packet data connection > When needed.If this does not help, switch the device off and then on again.Q: Can I use my Nokia device as a fax modem with a compatible PC?A: You cannot use your device as a fax modem. However, with call diverting (networkservice), you can divert incoming fax calls to a fax number.Q: Why do I get the error message Expired certificate or Certificate not valid yetwhen I am installing a downloaded application?A: If Expired certificate or Certificate not valid yet is displayed, even if the certificateshould be valid, check that the current date and time in your device are correct. You mayhave skipped the setting of date and time when starting the device for the first time,or the mobile network may have failed to update these settings to your device. Toresolve this, select Menu > Settings and Phone > Phone mgmt. > Factorysettings. Restore the factory settings, and when the device restarts, set the correct dateand time.140 Troubleshooting© 2009 Nokia. All rights reserved.140