Remember the golden rules:
Press the button on your device to bring up the password prompt. Look closely at the top right or center of the screen and write down the exact hours and minutes currently displayed on the device. Step 2: Calculate the Master Password In the user ID field on the device, type 8888 and press OK . The device will ask for a password.
Older ZKTeco terminal models feature a built-in mathematical recovery backdoor designed for physical lockouts.
Unauthorized tools may steal biometric data or employee logs stored on your device or computer.