The device displays a null error and the Messages, Browser and t-zone icons disappear

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The BlackBerry smartphone displays a null error and the Messages, Browser, and t-zones icons disappear


Doc ID : KB13614
Last Modified : 2007-09-17
Document Type : Support

Environment

• BlackBerry® 8700 smartphone
• BlackBerry® Device Software 4.1
• BlackBerry® Internet Service

Problem

The BlackBerry smartphone displays a null error and the Messages, Browser, and t-zones® icons disappear when the BlackBerry smartphone user attempts to open the Messages application.

Cause

Issues with the Subscriber Identity Module (SIM) card cause this error.

Resolution

To resolve this issue, complete the following steps:

1. Back up the BlackBerry smartphone. See KB11625 for more information.
2. Delete data from the BlackBerry smartphone. See KB02318 for more information.
3. Send service books to the BlackBerry smartphone. See KB02830 for more information.
4. Restore data to the BlackBerry smartphone. See KB10339 for more information.

Additional Information

Note: If the Messages, Browser, and t-zones icons do not reappear, the BlackBerry smartphone user should contact T-Mobile® support to have the SIM card replaced.