Your going to be reliant on the country of origin releasing the update.
Unfortunately this can be the issue when importing a phone from one place and using it in another .
You could try using Samsungs Smartswitch to see if there is any update that way.
Daily Driver > Samsung Galaxy s²⁵ 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. "
