What is Windows Phone 8.1?
{{Infobox OS version | name = Windows Phone 8.1 | family = Windows Phone | logo = Windows Phone 8 logo and wordmark (purple).svg | screenshot = Windows Phone.jpg | website = https://www.windowsphone.com | caption = The Start Screen of Windows Phone 8.1 | version of = [[Windows Phone]] | developer = [[Microsoft Corporation]] | preceded by = [[Windows Phone 8]] | succeeded_by = [[Windows 10 Mobile]] | release_date = April 10, 2015; 9 years ago | first_release_date = April 14, 2014; 10 years ago | GA_date = August 4, 2014; 10 years ago | release_version = 8.10.15116.125 | updatemodel = Windows Phone Store, Firmware | supported_platforms = 32-bit ARM | kernel_type = Windows CE 8.1 | support_status = Unsupported as for July 11, 2017 Upgrading to a compatible version of Windows Phone 8.1 is required for all [[Windows Phone 8]] users to receive security updates and support after January 12, 2016, when extended support for Windows Phone 8 ended. }} '''Windows Phone 8.1''' is the third generation of [[Windows Phone]] was released in winter 2013, Microsoft reach developed for Windows Phone 8.1 in the most for [[Windows 8.1]], was released for public on July 15, 2014, after the end of support was until July 11, 2017. Microsoft until no support for security updates for Windows Phone 8.1, they have released in 2014, also Windows Phone 8.1 can upgrade to [[Windows 10 Mobile]], by USB cable computer for Windows 10 Update. == Development history == On November 12, 2013. Microsoft CEO [[Steve Ballmer]] have a reach Windows Phone 8.1 can release in winter 2013 (December 2013), was the final update for Windows Phone, but was re-released in April 2014, they have many running for the features codename is <nowiki>''</nowiki>Windows Phone Blue<nowiki>''</nowiki> was released on April 15, 2014, on April 16, 2014, Microsoft reach Cortana launched to Windows Phone Blue, has been the name for Microsoft, after release on April 2, 2014, from Microsoft website, on April 19, 2014, Microsoft notification the security update was released for W