The most reliable way to regain access is through the official ZKTeco "Master Password" generator. This is not a single executable file but a logic-based tool used by technical support teams. How the Time-Based Reset Works
Most "reset tools" are designed to bypass the administrator lock on the physical device menu rather than the database password of the software itself. The Official ZKTeco Reset Tool Method zkteco password reset tool
Some models have a physical button on the motherboard. Holding this while powering on the device typically restores factory defaults, though this will also erase your user database. The most reliable way to regain access is
Before attempting a reset, it is important to understand that ZKTeco devices typically have two levels of protection: zkteco password reset tool