Nokia has started rolling out Windows Phone Tango update for the Lumia 710 and Lumia 800 smartphones. We have updated our Lumia 710 and can confirm It brings new features like flip to silence calls and Wi-Fi tethering that converts the user’s data connection into a Wi-Fi signal and the device can be used as a Wi-Fi hotspot to share with up to five other devices. The update also brings a few camera related software features as well as some other utility features.UPDATE 1: While we have received other sof...