The upgrade will bring the Lumia Icon up first to Windows 10 Mobile build 10586.107, and a second over-the-air update will bring it to 10586.420. You can go to Verizon's support page for more info on the upgrade.
Note: Owners of the Lumia Icon will have to download the Windows 10 Upgrade Advisor app in order to download the new OS on their phone.
Thanks to Bryan for the tip!
- Check out our mini-review of the Icon running the preview version of Windows 10 Mobile
- Download Windows 10 Upgrade Advisor from the Windows Store
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