The was an official Microsoft app designed for Windows Phone 8.1 devices. Its sole purpose was to check if your phone was eligible for the upgrade to Windows 10 Mobile and then guide you through the update process.
Can You Still Download the Windows 10 Mobile Upgrade Advisor? windows 10 mobile upgrade advisor app download free
To download and install the Windows 10 Mobile Upgrade Advisor app, your device must meet the following system requirements: The was an official Microsoft app designed for
Before running the app, ensure you have backed up all your contacts, photos, and settings to your Microsoft Account. and settings to your Microsoft Account.