Thank you 

there’s no need to worry at all. With a bit of patience and good vibes, that update will be landing on your device soon nowadays .

Restart your device and check update.

It really doesn't matter if it’s a UK, USA, Dubai, or Pakistan model. Since the One UI 8.5 update for the S25 Ultra was released globally on May 9th, every device is receiving it regardless of its origin.

It's released 