Associate devices with the MDM server in the Apple Business Manager portal so that they can be synced and managed with Workspace ONE UEM. You can assign additional devices at a later time using these same steps, if required.
Log into the Apple Business Manager portal and select Apple's Device Enrollment Program.
Selectin the left panel to assign DEP-enabled devices to the MDM Server you already created.
Select the method for associating devices and Choose Devices By:
Assign Devices by Serial Number – You can enter a list of device serial numbers.
Assign Devices by Order Number – You can enter your Apple Purchase Order number and have devices added automatically.
Upload a .csv File – Upload a .csv file listing the serial numbers.
Choose Assign to Server as the Action and select the MDM server group.