is a specialized program for modems and routers. It features an auto-detect function and supports a wide range of ZTE models via standard USB cables. You can also find the SIM Network Unlock for ZTE app
: A widely used professional service program that can auto-detect and unlock many ZTE modems and routers via a USB cable. It is fast but often requires "credits" for newer models. Open-Source Scripts : Developers on Zte Modem Unlock Code Calculator 16 Digit Free Download
provides detailed instructions on entering unlock codes for both ZTE phones and modems, including specific USSD codes like *983*8284#. A detailed guide for older HSDPA modems is available on is a specialized program for modems and routers
: The interface should prompt for a "Network Unlock Code" or "NCK." Enter the calculated code here to permanently unlock the device. It is fast but often requires "credits" for newer models
For more details on specific ZTE unlocking methods, explore these resources: Software Tools Manual Guides GitHub Projects Servicing Software DC-Unlocker
have published code (in Go and Python) that can calculate NCK (Network Control Key) and SPCK (Service Provider Control Key) codes for specific ZTE firmware versions like B03 and B04. Web-Based Calculators