Jeg har selv en Samsung HD-850 og gjorde den nemt regionsfri:
1. Turn on the Player with no disc on the tray. The tv screen and the dvd lcd will display "No Disk"
2. Press the "Repeat" key on the Samsung remote control
3. Press the keys: "5 7 5 3 8" on the remote. A number must appear on the screen (mine was 2). That is your player's current region.
4. Press the number for the region you want to use next (1 , 2 , etc). If you want your dvd player to be unlocked for all the regions press "9". A number should appear in the screen.
5. Press the "Open/close" button in the remote. The tray will open. Leave it open for a few seconds.
6. Just press the "On/off" button in the remote.
7. Congratulations: You now have a multi-region dvd player