This week Microsoft might start upgrading to Windows 10 Mobile the following Lumia phones:
Lumia 1520, Lumia 930, Lumia 735, Lumia 830, Lumia 635, and Lumia 535.
Please take note your smartphone should be running on a Qualcomm Snapdragon 808 or 810 or 617 to get the upgrade .
slashgear via nokiapoweruser
Before related post: Microsoft Official FIRST List of Lumia smartphones to get the FREE Windows 10 Mobile upgrade.