Just in case Sam's web pages are in error.
However it's worth noting that with a world wide web, it's too easy to get a firmware for Brazil and your in the UK. That could create your issue.
Bob
My Blue Ray player BD-E5300 must have tried to upgrade and I am getting the following error message: Model information in upgrade file does not match with your player. Does anyone have any idea what this means and what I can do to fix it?

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic