They used SuperOneClick, which is a pretty much standard way of rooting Android devices. Some sources: http://forum.xda-developers.com/showthread.php?t=134883

They used SuperOneClick, which is a pretty much standard way of rooting Android devices. Some sources: http://forum.xda-developers.com/showthread.php?t=1348830 http://forum.xda-developers.com/showthread.php?t=1348830 http://forum.xda-developers.com/showthread.php?t=803682 http://forum.xda-developers.com/showthread.php?t=803682