Microsoft has finally started rolling out Windows Mobile 10 to older Lumia smartphones, four months later than originally planned.
On its official blog Microsoft has listed the devices that should now be able to upgrade to Windows 10 Mobile as follows: Lumia 1520, 930, 640, 640XL, 730, 735, 830, 532, 535, 540, 635 1GB, 636 1GB, 638 1GB, 430, 435, BLU Win HD w510u, BLU Win HD LTE x150q, and the MCJ Madosma Q501.
However, Microsoft said not all devices will be receiving the bump to Windows Mobile 10, admitting that it likely won't do much good for the performance of older devices.
"This list includes a limited set of Windows Phone 8.1 devices and does not include some devices that are currently running Windows 10 Mobile in the Windows 10 Mobile Insider programme.
"As Windows 10 delivers significant new innovations, many older devices are not able to successfully upgrade without an impact on the customer experience," Microsoft adds. "Our goal is to only offer the Windows 10 upgrade to devices that we are confident can continue to deliver a good customer experience."
To check if Windows 10 Mobile is available on your handset yet, you'll need to download Microsoft's dedicated "Upgrade Advisor" app from the Windows Store.
Once installed, Windows 10 Mobile will bring with it a number of new features, including improvements to Cortana, which is now more closely aligned with its desktop counterpart, and improvements to Microsoft's own Office and Outlook apps.
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