Because ZTE does not publish a unified "ZTE Flash Tool" on its official website, you must rely on community-vetted repositories. The safest way to obtain these tools is via or XDA Developers Forum .
: Some specific models, like the ZTE Zmax Pro, use specialized tools to force the device into Emergency Download (EDL) mode for flashing. Where to Download How to Download Firmware for ZTE Flash?, How To zte flash tool free download