Talk:Disabling autostart by default
From Nokia Developer Wiki
Auto start is an important feature in any platform including symbian. Auto start will start application on reboot of device. But as per Symbian Signed criteria, Autostart at device boot-up (UNI-11), you need to provide a function in your application to enable/disable the autostart or autoboot functionality. For the time being, there is no public API to address this problem.
This article explained two workarounds to address this issue, using resource and using separate launcher application. Using this article anyone can disable auto-start by default.