A few days ago Samsung was rolled out One UI/Android 9 Pie update for the Galaxy Note 9 user on AT&T network in the US. Now Sprint joined the party. Samsung starts rolling out the stable version of its One UI (Android 9.0 Pie) to the Sprint Galaxy Note 9 users in the US. They will now be able to get the full One UI experience on their carrier-locked Galaxy Note 9.
The latest update brings January 2019 security patch for the Note 9 users. The software version is getting bumped to
N960USQU1CSAA. The size of update 1.84GB. Keep in mind the size of the update is big and make sure you have enough storage.
If you own an Sprint Galaxy Note 9 and reside in the US you can check if the update is available by going into the Settings » Software update menu and tapping the Download updates manually option.