It's Christmas time! Samsung is giving you the early gift for the festival. The company is now rolling out the stable version of its One UI (Android 9.0 Pie) to the Galaxy S9 smartphone series. It also brings the December 2018 security patch.
Now, it is available for the One UI beta and non-beta users. The software version of this update is G960FXXU2CRLI and G965FXXU2CRLI for the Galaxy S9 and Galaxy S9+ respectively. The size of the update is 1749.30MB.
You can check for the update by heading into the Settings > Software update > Download updates manually. Or simply wait till it appears on your phone's notification panel.