With just hours to go until Samsung’s Unpacked event tonight, it seems like the cat’s already out of the bag when it comes to the Galaxy S IV, and videos of its Chinese variant, model GT-I9502, have given up many of the handset’s secrets. Still, we don’t know simply everything at this point, and one of the last minute rumors to spring up has suggested that Samsung could end up branding the Galaxy S IV’s screen as its Hyper Bright ...