Please Note that this is not a flashable file. It's the full untouched odexed system image dump of the newly released Android Marshmallow for Note 5 to aid porting to Note 3. Details can be found in the link below:
http://www.sammobile.com/firmwares/download/65659/N920CXXU2BPB6_N920COLB2BPB6_CAM/
https://mega.nz/#!rFVgQSDI!eHEiGfK_8xWTmYb3ewYJyaDROpkFvDKUSEUhRuOn_7c
http://www.sammobile.com/firmwares/download/65659/N920CXXU2BPB6_N920COLB2BPB6_CAM/
https://mega.nz/#!rFVgQSDI!eHEiGfK_8xWTmYb3ewYJyaDROpkFvDKUSEUhRuOn_7c