With minimal fanfare, Microsoft has began rolling out Windows 10 Mobile as a free upgrade for older phones, fulfilling a promise the company began making more than a year ago.
However, not every Lumia or third-party phone will be eligible for the upgrade from Windows Phone 8.1 to Windows 10 Mobile. There are 18 handsets on the list of supported phones, including the Lumia 1520, 930, 640, 640XL, 730, 735, 830, 532, 535, 540, 635 1GB, 636 1GB, 638 1GB, 430, and 435; plus third-party phones such as the BLU Win HD w510u, BLU Win HD LTE x150q, and the MCJ Madosma Q501.
Last summer, Microsoft published a list of 10 Lumia phones that would be eligible for upgrades, all of which made the final cut. Noteworthy omissions include the…
