However, for those seeking the application for legacy devices, here are the paths that were available. Official Source (Historical)
Enjoy the process and your trip down memory lane windows 10 mobile upgrade advisor app download free
Because the phone cannot install the file directly from the file explorer in version 8.1, you need a deployment tool. However, for those seeking the application for legacy
While the free official app is gone, enthusiast communities have created reliable workarounds. You can still upgrade supported hardware using a PC and specialized offline deployment tools. Method 1: Using the Over-The-Cable (OTC) Updater Tool windows 10 mobile upgrade advisor app download free