Through a terminal emulator (like PuTTY or Tera Term), specific can sometimes be used to overwrite the IMEI, though this is often locked on newer ZTE firmware. Third-Party Tools :
A popular, professional service that supports many brands including ZTE. It can perform IMEI repair and other advanced functions, but access is usually via a paid credit system. zte mc801a change imei hot
The router must be forced into a state where it communicates directly with a computer via a USB interface. This is done by unlocking the diagnostic port through specific URL commands in the browser or via ADB: Through a terminal emulator (like PuTTY or Tera