After One UI 8 update, they have moved Buds controls etc. In the Settings menu just under your Samsung profile name while in the watch or band they have also removed buds' battery indicator, you have to add separate tile of "buds controller " App to ...
If your phone is working fine then do not update it for atleast two to three weeks after the release of update. Keep an eye on the reports of green line issue by other users.
Service centre guy told me not to update it and if I want to update i should get it done by the service centre itself. Samsung's update is causing the issue and they don't have guts to accept it
Samsung is providing free screen replacement till September 2025. Provided your phone doesn't has any physical damage, water damage and it is within 3 years of purchase. I also got green line display after the may update and got my screen replacement...