Generates a password valid only for a specific minute.
For older devices (like the K40 series), the official method is not a separate tool but a feature within or Access 3.5 software . zkteco password reset tool
If you receive a "password expired" error when using the official portal method without a serial number, the one-minute window has passed. The on-screen message will indicate the specific device timestamp to use, so submit a new application and be ready to act immediately when it arrives. Generates a password valid only for a specific minute
In extreme cases where all reset methods fail and the device is old or out of warranty, replacing it may be more cost‑effective than extensive troubleshooting. Ensure you extract any necessary user data before decommissioning the old device. The on-screen message will indicate the specific device
2. Using Management Software (ZKTime 5.0 / Biometric Management)