According to some fresh rumors, the promised Tethering update for Lumia 800 will be start rolling from end of March onwards. Nokia has confirmed that Tethering will be available on Lumia 900 and 610 natively and will come as update to Lumia 800 and 710. Read our article for more info here.
Now according to Italian website plaffo.com, they have been tipped by a dependable source that, “at a meeting last Monday in Milan between the Italian operator H3G and Nokia, came the news that the Wifi tethering on the Nokia 800 Lumia will come from the end of the month.”
If so then it might also roll soon for Lumia 710.