Samsung Galaxy Note 8 users are now getting a new software update that installs the latest Android security patches for June 2018.
The update is rolling out with software version N950FXXS3CRF1 and is coming out over the air. What this means is that it will take days before all users of the Note 8 in various markets receive the download notification.
How to update? then you can follow these following process.
Settings > About phone > System update and do a manual installation.
Now your smartphone automatic boot and update after few minutes. before the update, you can check your battery charge approx 40%.