Nokia Lumia 900 seen running Windows phone 7.8

Nokia Lumia 900 seen running Windows phone 7.8

Nokia Lumia 900 Nokia’s forgotten child which gave way to design of Lumia 920 was seen with Windows Phone 7.8 running.Small video shows the phone running Windows phone 7.8 which is a upgrade from 7.5. Re sizable live tiles can be seen in the video which is just 37 seconds long.
There is no official word from Microsoft regarding the update of any of their devices to Windows phone 7.8.