If you are a tenant using an ISP-provided ZTE router, modifying the config to disable TR-069 or change the admin password may violate your Terms of Service. If the router stops working, the ISP may charge you a replacement fee.
While the ZTE Config Utility is a powerful tool, it comes with enormous caveats.
GitHub - mkst/zte-config-utility: Scripts for decoding/encoding config.bin for ZTE routers
Before you begin, you need: