Software Update Mac Failed. Ok so I just got my 9700 today and decided to hook it up to my computer to sync everything. There could be an outage for the Update service preventing your iOS device from communicating with the Apple software-update servers.
When a new major version of OS X is released you can download the upgrade for free from the App Store. Next power up your Mac by pressing and holding the Shift key until the Apple logo appears. Software update failed - mac.
Next power up your Mac by pressing and holding the Shift key until the Apple logo appears.
M1 macOS restore broken failed to personalize the software update Mac Writing this up here since others will likely hit it but restoring the OS is broken on M1 Macs. Or click More info to see details about each update and select specific updates to install. Here are steps on how to install macOS 1015 in Safe Mode. Hold the Shift key in Windows or AltOption key on Mac and click the Restore iPhone button.