...just in case we need to restore everything for the upcoming (I hope) OTA, or in case you've got everything buggered up and need it, here's a link to get the system dump for the Bell XT860;
http://forum.xda-developers.com/showthread.php?p=17501981#post17501981
http://forum.xda-developers.com/showthread.php?p=17501981#post17501981