After a short delay, Telus Samsung Galaxy Note 4 owners are reporting that Marshmallow is now available to download. The update, which is Android 6.0.1, is approximately 1GB in size.
If you’re not seeing a download notification, manually check for it via Menu > Settings > About Device > Software Update > Update.
Update: Koodo Mobile customers are now reporting the Note 4 has been updated to Marshmallow.
Related reading: Note 4 review