Даже не знаю, как прокомментировать. Потому - просто процитирую.
https://support.microsoft.com/en-us/help/4485197/windows-10-mobile-end-of-support-faq
"...
What should Windows 10 Mobile customers do now?
With the Windows 10 Mobile OS end of support, we recommend that customers move to a supported Android or iOS device.
..."