In 2010, Microsoft launches their first Smartphone with Windows OS with Windows 7. Later they launch many phones with the Windows Operating System. And on another side, Android was Getting Popularity. But Microsoft doesn’t care and they think that this is also computers and Android are not overtake it.
Later, Android got Popular and Apple also introduce their own OS. And the Windows Phone are seen rarely and now Windows phones have only 0.34% Market shares of whole Mobile phones Industry. Microsoft Officially stated that they Don’t support Windows Phones after 10 December 2019. After that date If you face any problem in your Windows Phones. The company is not responsible for that. Upgrade before the due date.