That is a pain and Samsung should be providing you with the previous version of firmware as you want the player for the feature of Netflix which worked before they messed it up with the latest, I would suggest that you have a chat with Samsung support and ask for either the download link or firmware discs to roll back.
For future updates I always find it handy to download the firmware on to a USB stick or similar just in case some thing goes wrong like this
For future updates I always find it handy to download the firmware on to a USB stick or similar just in case some thing goes wrong like this