As Microsoft has finally started rolling out Windows 10 Mobile update to Windows Phone 8.1 devices, users must be wondering if their devices are eligible for the update. Previous reports had suggested that not all older devices will be able to get the update initially. Following these rumors, Microsoft also confirmed that only a limited number of Windows Phone 8.1 smartphones are receiving the update today.

-Steps to Upgrade to Windows 10 Mobile

Windows 10 Mobile eligible devices:

Microsoft has updated the Windows 10 Mobile specifications page and has added a list of Windows 10 Mobile eligible devices. These include:

Lumia 1520Lumia 930Lumia 640Lumia 640XLLumia 730Lumia 735Lumia 830Lumia 532Lumia 535Lumia 540Lumia 635 1GBLumia 636 1GBLumia 638 1GBLumia 430Lumia 435BLU Win HD w510uBLU Win HD LTE x150qMCJ Madosma Q501

You can visit the specs page yourself to confirm if your device meets the requirements and to learn more about the editionsand languages available for Windows 10.

The availability of Windows 10 Mobile as an upgrade for existing Windows Phone 8.1 devices varies by device manufacturer, device model, country or region, mobile operator or service provider, hardware limitations and other factors. To check if your device is supported and other important information, visit your device manufacturer's website.

Windows 10 Mobile comes with a ton of new features and improvements. The new operating system has gone through a very long and rigorous process of testing, which included both the internal testing and user testing through Windows Insider program. Please remember that not all the devices who were testing the new operating system will be able to get the official OTA update.

To confirm, Microsoft has advised to download the Windows 10 Upgrade Advisor app from Microsoft Store (or update it if you already have it downloaded). You can find the complete official statement and more details here:Microsoft Officially Announces Windows 10 Mobile for Windows Phone 8.1 – Rollout Begins