According to reports by various sites Lumia 800 has started receiving Windows Phone 7.8 Windows Phone 7.8 firmwares appeared on Nokia’s servers last week. The update will be done in four stages.
The update number is 7.10.8858.136. You’ll need to use Zune software to update your Lumia 800. Windows Phone 7.8 includes new boot screen animations and new homescreen with resizable tiles. Got a Lumia 800? Update it and tell you what do you think about new OS.