[Update: Galaxy S8/S8+ also getting the November 2018 security patch, build numbers G950USQU5CRK1/G955USQU5CRK1]
Sprint is rolling out a new software update for the Galaxy Note 9, Galaxy Note 8, and Galaxy S9 series. The latest software update includes the November 2018 security patch, minor bug fixes, and few improvements.
The software versions are:
- Galaxy Note 8: N950USQS5CRJ3
- Galaxy Note 9: N960USQS1ARJ9
- Galaxy S9: G960USQU3BRK1
- Galaxy S9+: G965USQU3BRK1
If you want to check for the update manually, just go into Settings > Software Updates.