A hacker orgnization in Germany named Chaos Computer Club unleashed this bug of NOKIA S60 system smartphone recently(May be released on 3.Jan.2008?).
The video beneath showed that if you compose a special sms and send it to S60 phone, the receiver’s SMS/MMS/E-mail function will be disabled and cannot be restored by reboot untill you enter the RESTORE FACTORY DATA keys: *#7370#.
So far, there is no way to patch this bug. So, get a reliable SMS firewall and block these deadly messages.
The entire method of DDoS a S60 phone is displayed here:
I DONNOT TAKE ANY RESPONSIBLE ABOUT ANY DATA AND ANY FINANCIAL LOSS OR CRIME CAUSED BY ANYONE WHO FOLLOWED THIS VIDEO.