<i>If you can figure out how to flash your CM on your own, it will still be overwritten with the firmware that gets pushed from your provider</i><p>Not if you also figure out how to disable the firmware update feature, which I&#x27;d guess - I&#x27;ve never done anything with CMs other than plugging them in - is also code in the firmware itself. As long as the firmware running on the CM has full control of the hardware, it can be &quot;configured&quot; to refuse such updates, and maybe even spoof the fact that it was updated successfully.<p>(Unless there&#x27;s also some remote-attestation type stuff happening too. I&#x27;m not sure, I don&#x27;t work in this area.)