Days ago Samsung announced Android Marshmallow for Samsung Galaxy S6 and S6 Edge, now Samsung is rolling out Android 6.0.1 for Note 5 (SM-N920C). According to the report, The update is currently out in Cambodia (for the SM-N920C) with build number N920CXXU2BPB6; which is available through Samsung smart switch as well. See above for image of Galaxy Note 5 with android 6.0.1.
You can grab update by heading over to the Settings » About device » Software update. Update will roll out gradually. So you need to be patient for the update. You can read all about what Marshmallow 6.0 and 6.0.1 brings with itself by clicking here and here
FIRMWARE DETAILS:
Model: SM-N920C
Model name: GALAXY Note 5
Country: Cambodia
Version: Android 6.0.1
Changelist; 110166628
Build date: Mon, 15 Feb 2016 06:40:05 +0000
Product code: CAM
PDA :N920CXXU2BPB6
CSC: N920COLB2BPB6
Have you updated Galaxy Note 5 yet? Comments below.