Zte Mc801a Change Imei Verified -
The 5G synchronization data is tied to the original IMEI signature. Changing the IMEI often kills the 5G NR connection entirely, leaving you stuck on 4G.
Instead of changing the IMEI on the MC801A, keep the router as-is. Connect a second router (e.g., a GL.iNet travel router) to the MC801A via ethernet. Configure the second router to change values to 64 or 65. zte mc801a change imei
Writing incorrect NV items can permanently disable the 5G/4G modem. Checksum Errors: The 5G synchronization data is tied to the