Supervise devices without updating the OS in Apple Configurator
We have a situation where we need to supervise our devices in Apple Configurator in order to turn on some settings we want to use with our MDM solution. We do not want to update the OS on each device as we are a developer and we need to test developed apps on lots of different devices with varying OS's. I have already tried using the option for 'Custom OS', downloaded ipsw files and am getting 'cannot personalise' errors when attempting to restore from these files. Have tried with 5 different files.
Is there any other way the devices could be supervised without the OS being updated?
Apple Configurator-OTHER