The Samsung Galaxy Note5 on T-Mobile is receiving the Android 7.0 Nougat Update. The update confirmation comes from a few sources on the internet via Twitter.
— Des ???? (@askdes) April 22, 2017
As per the info, the update is also available via the Samsung Smart Switch application, but if you can be a little more patient, it will show up on your device very soon as OTA.
— Christopher S. Gomez (@ThatAsianChriss) April 22, 2017