I can view the previews but it locks up while loading the menu.
Ive had the player for less than a year and never had a problem with it until this upgrade.
Hi Credit for this hack goes to RABSP, although I've modified it slightly.
It's basically the same method used for the Samsung BD-1500.
(Mine was 57538 for region 2) Don't press the REPEAT button for too long, just smoothly press REPEAT 5 7 5 3 8.