If "MDM does not allow Download Mode," the phone’s bootloader is effectively under someone else's control. Always verify that a Samsung device is MDM-free before purchasing it from a third party.
If you are stuck with an MDM-locked Samsung, you are essentially looking at a "managed" device. While the phone might function for basic apps, you will likely never be able to use features like Samsung Pay or Secure Folder if the Knox warranty bit is tripped during a bypass attempt. samsung mdm does not allow download mode
to prevent the installation of custom firmware or unauthorized operating systems. Why is Download Mode Blocked? If "MDM does not allow Download Mode," the