What is purported to be a dual-SIM equipped engineering sample of Samsung's Galaxy S IV popped up a few days ago in pictures and video on a Chinese forum, and now it's back for a better look. The new pictures show off what's measured as a 1080p 4.99-inch display with an embossed home key and cross-hatch textured plastic back cover (already cracked on this unit). Engadget Chinese came through with a translation, and the specs listed on it168 claim its Exynos 5410 is a 1.8GHz 8-core CPU u