Older versions of Apple Configurator rely on legacy Apple server handshakes. If Apple deprecates the specific server endpoint used by that software version, you will not be able to refresh or download iOS firmware ( .ipsw files) automatically. The Fix: Manually download the required .ipsw file from a trusted source, hold down the Option key in Apple Configurator, click Update or Restore , and manually select the file.
If you are running an older Mac or managing vintage iPhones and iPads, you likely need a specific legacy version of Apple Configurator. This comprehensive guide covers how to safely find, download, and deploy older versions of Apple Configurator, and how to troubleshoot common compatibility issues. Why You Realistically Need an Old Version apple configurator old version