If a phone has been imported from a country it was released to be used in into another country then your dependent on the country of origin sending out the update.
This can sometimes be delayed.
Updates are sent out in waves as not to overload the servers and is sent out dependent on region, phone model and it's serial and build number @Emmy5
You could also try Samsung Smartswitch.
Daily Driver > Samsung Galaxy s²⁴ Ultra 512Gb ~ Titanium Black.
The advice I offer is my own and does not represent Samsung’s position.
I'm here to help. " This is the way. "
