Last month Microsoft released a preview of Windows 10 for phones with only a small set of Lumia devices supported. This was partly due to something called “partition stitching” where storage on the phone could be dynamically resized during the upgrade process which was required to upgrade most Windows Phones. This feature is now part of the main Windows 10 build so the next preview release will support nearly all Lumia devices.

The list includes the 1020, the current top end 1520 right the way down to the low cost 520 and 625. So I think most devices are covered but not the current flagship 930 which is odd as the Icon is support which is almost the same phone. Microsoft do say phones not on the list are due to a specific issues and should be addressed in future releases.

Microsoft don’t say when the next build will be released but they do say there is at least another week of testing required.

We still have some work to do to validate individual phones, as well as the builds that we’re flighting through our internal rings. As I said in the post on frequency I cannot guarantee a date for a new build. What I CAN tell you is that we feel great here about the partition stitching code and current builds, but we likely still have at least one more week of engineering to do to ensure we get a great build for the expanded list of devices.

Via the Windows Blog here is the full list:

  • Lumia 1020
  • Lumia 1320
  • Lumia 1520
  • Lumia 520
  • Lumia 525
  • Lumia 526
  • Lumia 530
  • Lumia 530 Dual Sim
  • Lumia 535
  • Lumia 620
  • Lumia 625
  • Lumia 630
  • Lumia 630 Dual Sim
  • Lumia 635
  • Lumia 636
  • Lumia 638
  • Lumia 720
  • Lumia 730
  • Lumia 730 Dual SIM
  • Lumia 735
  • Lumia 810
  • Lumia 820
  • Lumia 822
  • Lumia 830
  • Lumia 920
  • Lumia 925
  • Lumia 928
  • Lumia ICON
  • Microsoft Lumia 430
  • Microsoft Lumia 435
  • Microsoft Lumia 435 Dual SIM
  • Microsoft Lumia 435 Dual SIM DTV
  • Microsoft Lumia 532
  • Microsoft Lumia 532 Dual SIM
  • Microsoft Lumia 640 Dual SIM
  • Microsoft Lumia 535 Dual SIM

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