How to reset / unlock ZKTeco Biometric device from Admin Affirm Password using the Tamper button ZKTeco Access Control and Attendance devices are taking a large space among other access control brands, because there are easy to install and use, and also thanks to their good quality/price advantage. Anyway, when you install a new ZKTeco device you need to protect its menu access by an Administrator password (known as Supervisor ), so that only authorized persons can change and adjust the device settings. However, when the administrator is gone without leaving the information about how to open the ZKTeco device's menu, this can be a big problem for you if you are the new "Admin". So when you press the menu button you will get the famous message on the device screen : Admin Affirm . In a previous post I have explained how to unlock ZKTeco Device from Admin with two different ways (which can work with a lot of ZKTeco models) : Using Attendance Management software over t
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