If you need to unlock a modern ZTE (Android 11+), do not waste time with free tools – they rarely work on new security patches. Use a paid remote service ($15 one-time) or visit a local phone repair shop. Your data and PC safety are worth far more than the $20 saved.
Unlocking a ZTE device typically involves either specialized professional software or manual exploits that bypass the Google account verification screen. Unlock Tool zte frp unlock tool link