However , it 's possible to install Windows Phone 8.1 on the Lumia 810 through Microsoft 's Preview for Developers app .
Windows Phone 8.1 was not released for the phone , making the Lumia 810 the only Nokia Windows phone to not be updated to Windows Phone 8.1 .
It 's possible to install Windows Phone 8.1 on the Lumia 810 through Microsoft 's Preview for Developers app .
Windows Phone 8.1 was not released for the phone , making the Lumia 810 the only Nokia Windows phone to not be updated to Windows Phone 8.1 .