Samsung updated the Galaxy Pro B7510 to Gingerbread version 2.3.6.
Samsung Galaxy Pro With Gingerbread 2.3.6 Walkthrough:
Since the developers at samsung are already ignoring the samsung pro b7510 and they silently gave the gingerbread update available only to europe users. The unofficial developers at SamMobile.com released this update. You can download this firmware from their firmware download section