Global online mobile retailer Expansys has published a handful of specifications for a quartet of unreleased handsets. With a large trade-show right around the corner, it’s only natural to have a little corporate leakage — this particular leak involves the Samsung Galaxy S 2, HTC Desire HD2, HTC Wildfire 2, and Desire 2. Let’s get right into it and start listing specs, shall we? Follow the jump to check out the goods.