Most ZTE devices store their system settings in encrypted configuration files (often named config.bin ). Standard text editors cannot read or modify these files. The ZTE Config Utility bridges this gap by allowing administrators to convert these binary files into readable XML or text formats, modify the parameters, and re-encrypt them for deployment. Key Features and Capabilities
Place your downloaded config.bin file into the same directory as the script files. Step 3: Decrypt the File
The utility provides three primary capabilities:
Find the hidden "superadmin" or "admin" username and password for GPON/VoIP access. Zte Config Utility
Once changes are saved, reverse the process to make the file readable by the router hardware. zte_config_util --encrypt config.xml new_config.bin Use code with caution.
Because these files are encrypted for security and proprietary compliance, you cannot open or edit them using standard text editors like Notepad or VS Code.
Store downloaded configuration files in encrypted directories. Most ZTE devices store their system settings in
: Check the specific model number and firmware version of your ZTE device. Look for updated forks of the utility on GitHub that explicitly mention your firmware version. The Router Rejects the Uploaded File
Newer ZTE routers use advanced encryption methods (Payload Type 5 or 6). The standard zte-config-utility may fail with a "no support for payload type 6" error. To work around this:
If you made changes, you must re-encrypt the file back to config.bin format and upload it to your router via the same page. Common Supported ZTE Models Key Features and Capabilities Place your downloaded config
If the router refuses to load the re-encrypted file, it means a checksum or file size validation failed, or the XML syntax was corrupted during editing. Always use a dedicated XML validator tool before re-encrypting to make sure your syntax is perfectly clean. Conclusion
To use the utility, you must have Python 3.7 or higher installed on your computer. Install the tool via your command terminal or PowerShell: python3 -m pip install zcu --user Use code with caution. Copied to clipboard Download the configuration file config.bin ) from your ZTE router's web interface. Run the decoding script to turn it into an editable XML file: python3 examples/decode.py config.bin config.xml Use code with caution. Copied to clipboard
: Use default logins like admin/admin or details found on the device sticker .
Search the XML for the following tags and change them: