The Nexus One, grandaddy of Android’s latest pure-bred wonder, appears to have some fight left in it. Developer drl33tmd has managed to coax the old man into running an early port of Ice Cream Sandwich, although it’s not perfect. The somewhat unstable build is a bit sluggish, and suffers from media playback issues and a distinct lack of WiFi. Check out the demo above to see the original Google smartphone struggle up some increasingly steep software stairs.