Lumia 830 I am using an Microsoft Lumia 830 for work. Every time I try to get the “Microsoft Update for Windows Phone-Windows 10 Mobile 10.0.14393.1066, the phone downloads the update, but cannot install it.
I received error code 0x80310000.
How to fix this error (0x80310000): Turn off your device encryption if you have it turned on. It helped for me, make sure you reboot your device after deactivating device encryption.