https://nokiapoweruser.com/8-6-million-lumias-and-10-3-million-wp-devices-may-have-been-sold-in-q2-lumia-520-sales-may-have-touched-2-8-million/
8.6 million Lumias and 10.3 million WP devices may have been sold in Q2. Lumia 520 sales may have touched 2.8 million.