For those that have the Preview for Developers app installed on their Windows Phone 8.1, a new 8.10.14192.280 critical update has been released today on October 23rd 2014 and now available. Your phone will update automatically if you don't install the update by October 27th 2014 3:00 AM.
According to Microsoft: "This update contains our usual scope of fixes and improvements. We’re requiring this update so we can continue to test our update systems. The update will show as a "critical update" on your phone."
- How to See the OS Version of your Windows Phone
- How to Check for and Install Windows Phone Software Updates
According to Microsoft: "This update contains our usual scope of fixes and improvements. We’re requiring this update so we can continue to test our update systems. The update will show as a "critical update" on your phone."