T-Mobile is now rolling out Android 8.0 Oreo update N950USQU3CRC2 for Galaxy Note 8 in the US. In addition, Samsung Galaxy S8 Active is also receiving Android O with update G892AUC2BRC5. The update size is around 1.3GB.
The new Android OS comes with new features like Parallel Apps, Picture-in-Picture, Smart text selection, new design for Quick Settings, and other features.
The firmware update also includes the latest Samsung Experience UI 9.0 as well as device stability improvements. Additionally, the update comes with latest Android March Security patch which brings fixes for Common Vulnerabilities and Exposures discovered in the Android operating system.
Galaxy S8 N950USQU3CRC2 update will gradually release to everyone. You can also check manually for updates, go to Settings > About device > System update.
Make sure you have enough charge on your device at least 60% to 70% before downloading the update.