I just hung my Nokia Lumia 800 to Zune to just some photos to sync and tadaaaa! There is an update ready! Indeed, there is no one ready, but the whole process on Windows Phone 7.8 ending up takes about four updates all at once installed. If your device is already completely up to date, you will get first Nokia Update, then update to 7.10.8773 7.10.8779.8, then proceed with the update to