The is a popular set of Python scripts on GitHub used by advanced users and network administrators to decode and encode configuration files (typically config.bin ) from ZTE routers and modems.
If you modified settings, use the utility to re-encode the XML back into a .bin format before uploading it back to the router. Troubleshooting and Limitations Zte Config Utility
Python project) is a specialized tool used to decode and encode ZTE router configuration files (usually config.bin Paper: Analysis of ZTE Config Utility (ZCU) ZTE