HTC will soon begin rolling out its Android Marshmallow for carrier versions of the One M9 across North America. Canadian One M9 owners on Sasktel, Rogers, Wind, and Videotron should receive the update early next week, according to HTC's Mo Versi.

Additionally, U.S. owners of the One M8 on Sprint are set to get the update by the middle of next week. Finally, an update the the T-Mobile version of the One M8 is currently in testing, with a targeted release date of Jan. 25. HTC previously rolled out Marshamllow to the unlocked version of the One M9.

Source: Mo Versi (Twitter) (1), (2), (3)