First, update MADOSMA to the latest version with Windows Device Recovery Tool
The latest version of the firmware registered online is written After downloading, start Flash mode Before upgrading, search for "Windows Phone 8.1 Update 2" in the Windows store and search for "Upgrade Advisor" and install Windows 10 on your computer. In the same way, the contents are checked by Upgrade Advisor If it is available, check "Enable Windows 10 upgrade" and tap [Next] The upgrade process will take a little over an hour It's an impression, so I want to proceed with the work when I have time. The upgrade was completed successfully. As you can see on the screen, when the upgrade that restores applications etc. in the background is completed, the version information will also be "Windows 10 Mobile" like this
After restarting, this screen is displayed for a while.The screen theme is inherited, so the impression of the tiled start screen is almost the same as in Windows 8.1.