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Windows 10 Mobile is being made available to supported smartphones running Windows Phone 8.1. Phones and devices that can upgrade to Windows 10 are Lumia Icon, 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 MCJ Madosma Q501 1. How to download and install the Windows Phone 8.1 update Apr 16, 2014 Windows Phone 8.1 End of Support: FAQ - Windows Help Jan 08, 2020
Windows-phone-8 - Windows Phone 8.1 NavigationService
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How To Upgrade Any Windows Phone 8.1 To Windows Phone 10
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