MDM is a protocol used to manage and secure mobile devices remotely. It allows administrators to configure, monitor, and manage devices over-the-air. However, in some cases, MDM can cause issues with the device's firmware, leading to problems with the OTA updates.
After the MDM bypass, a full factory reset via the tool (not the phone settings) is required to clear cached restrictions. Risks and Warnings oppo a79 5g cph2557 mdm ota remove firmwareby full