JerrySIM

This was the dev teams approach to unlocking Bootloader 4.6

Credit
The dev team/elite team.

Exploit
This relied on a buffer overflow in the STK.

Resources
the elite wiki's page on the topic

Note
Zibri removed it from the Google Code page, but the source is still easily available via google cache, or the fact that Google Code wiki pages are svn based and you can easily just look at an earlier rev :)

On the page before the source got deleted, Zibri referred to it as C source, although by the looks of it he may have failed to realize that it is a payload meant to be run off of a TurboSIM

Code
link to code