Windows Phone - Microsoft® Download Center
OK Verizon, I am pleased that you have finally released 8.1/denim for the 928, however what has happened to the update for the HTC 8X? it has been over 2 months after the 'expected release' and still no word. the last update seems to have caused more problems than it corrected on my wife's and sons 8X and we are hoping that 8.1 will fix these problems. Windows 8.1 - Wikipedia Windows 8.1 is an operating system that was produced by Microsoft and released as part of the Windows NT family of operating systems. It was released to manufacturing on August 27, 2013, and reached general availability on October 17, 2013, about a year after the retail release of its predecessor. Windows 8.1 was made available for download via MSDN and Technet and available as a free upgrade Windows 10 Mobile RTM Now Available for Windows Phone 8.1 Windows 10 Mobile upgrade is free, if your Windows Phone 8.1 is eligible for the upgrade, you should definitely install Windows 10 Mobile in your device. Btw if you upgrade to Windows 10 Mobile and later you decide to rollback to previous Windows Phone 8.1 operating system, you can do this using Windows Device Recovery Tool .
Aug 31, 2016
Jul 04, 2019 Windows Phone 8.1 Update to hit HTC 8X in “late Oc OK Verizon, I am pleased that you have finally released 8.1/denim for the 928, however what has happened to the update for the HTC 8X? it has been over 2 months after the 'expected release' and still no word. the last update seems to have caused more problems than it corrected on my wife's and sons 8X and we are hoping that 8.1 will fix these problems.
Windows 8.1 - Wikipedia
Windows Phone 8.1 review: Microsoft's mobile OS finally