Windows 10 Mobile build 10551

Windows 10 Mobile build 10551 is a build of Windows 10 Mobile. This build was leaked on 23 April 2020 in the ARM32 architecture, only for the Lumia 550.

This build contains Project Astoria which means it is possible to sideload Android apps to Windows 10 Mobile - however it only supports apps that target Android 4.4.4 or older.