Windows Phone 8 is the second release of Windows Phone. It was released publicly on October 29, 2012. It is similar to Windows 8. It is unsupported as of January 12, 2016. It can be upgraded to Windows Phone 8.1 to help updates security for unsupported Windows Phone 8, the first update was leaked on April 8, 2014. Microsoft released the final version, Update 3, on April 14, 2014, just six days after the Windows XP's end of support.