When you move multiple assets into a new configuration group on the config groups page, and one of the selected assets that you are trying to move does not match the device type in the configuration group, e.g. you want to move an asset containing a MiX 4000 into an OEM configuration group, you must change the device type of the asset before you can move it into the group.
You will get the message:
“The mobile device type in this configuration group differs from the mobile device type installed in these asset(s). To move the asset(s) to this configuration group, please use the "Change mobile device" function on the mobile device settings screen on the Assets page.
Read Changing the mobile device of an asset to learn more.