Get the Whitepaper called From 0 To 0 Day On Symbian – Finding Low Level Vulnerabilities On Symbian Smartphones.
You can download it from the following link: https://packetstormsecurity.com/files/download/78943/pwning-symbian.pdf
Source: https://packetstormsecurity.com/files/78943/Whitepaper-Called-From-0-To-0-Day-On-Symbian.html