Some models have multiple hardware versions (e.g., V1, V2). Ensure the download matches your hardware version exactly to avoid "bricking" (permanently damaging) the device.
The most reliable way to obtain firmware is directly from ZTE or your official service provider. zte router firmware upgrade download link
For mobile routers (like the MF series) and retail home gateways, visit the ZTE Support Download Center . Select your product category (e.g., Mobile Internet) and specific model to find available software packages. Some models have multiple hardware versions (e