Look for or Backup Configuration .
Look for VoIP sections to extract SIP server addresses and passwords, allowing you to use your landline number on third-party VoIP equipment. Decrypt Zte Config.bin
ZTE has rolled out increasingly sophisticated encryption over the years. Understanding the "Payload Type" is the first and most important step. Tools like zte-config-utility will usually detect this for you, but knowing the differences helps set expectations: Look for or Backup Configuration
python3 examples/decode.py config.bin config.xml --key YOUR_KEY --iv YOUR_IV Decrypt Zte Config.bin