There is a lot of security threats for Symbian supported phones.. This may be a virus or bluetooth hack.. That means you need an Antivirus for your device

Kaspersky Mobile Antivirus is every time updating the latest virus database.. It’s not only protecting you against viruses. It also have a firewall protection

Features of Kaspersky Mobile Antivirus;

- Support for memory card installations
- Display information on databases (date, size and number of entries)
- Detailed logs (error codes, infected file paths, update types, etc.)
- An intermediate monitor mode (incoming messages only)
- Option to display monitor-on icon on top of system applications
- “Virus detected” sound added
- Progress bar shows scanning progress

Supported devices are; Nokia 5800, Nokia N97

This application is trial

Download Kaspersky Antivirus Mobile