If you notice your Nokia performing erratically–shutting down and restarting by itself–it probably has a virus infection. Commwarrior and Cabir are common Nokia viruses that cause phones to perform abnormally. Viruses can infect your phone through Bluetooth file-sharing and downloading application programs. Opening malicious email attachments is another common source of obtaining Nokia viruses. Protect your phone’s data and files by removing the virus as soon as you notice its symptoms. Writer Bio
