As you said that you have Galaxy A33 which was launched in March 2022 and it gets 4 years of software updates and 5 years of security patch updates, And One UI 8.0 which is Android 16 based is the last softwares update of your device, and no informat...

Wait, you may also get the beta version, otherwise wait for the stable version of One UI 8.0 because the beta version is available only to limited users, it is for testing and it has a lot of bugs.

What device do you have

It is possible that you may get it soon, otherwise it may also happen that only a specific user may get this beta update

If you Have Galaxy A35 5G then go to notification centre on members aap You must have received a notification to enroll for the beta version