its already up by Samsung.you need to install January security patch first through system update, then only you are eligible for ONE UI 2.0 / ANDROID 10 update.
right in some parts Samsung started rolling out the stable version of ONEUI 2.0.But they will push the stable updates for the BETA TESTERS first and then the normal users.The January security patch is now available for all users of S9 and S9 plus whi...
now it is confirmed by the Samsung it self that the update for s9 & s9 plus is not coming in January, please check the notifications in Samsung members app.