Two days ago the Lumia Black update for the Nokia Lumia 520 started rolling out in India. That phone is the most popular in India with over 43.3% of the Windows Phone marketshare. The second most popular, the Lumia 720, comes in at more than 12.7% marketshare. So odds are if you aren’t rocking a Lumia 520 in India, you probably have a Lumia 720. If you have a Lumia 720 you should go check for a phone update because Lumia Black is now rolling out.