Don't worry, your phone will also get one ui 4 without any registration, till next year
Only if your device has released with Android 10 or above
Please accept this as solution by 3 dots above
Dear Samsung Member,
Greetings from Samsung Customer Support!
We would request you to register your concern in Samsung Members Application. So, that our concern team gets back to you as soon as possible.
Please follow this path to register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Ask questions).
Thank you for writing to Samsung.
Samsung Customer Support