To reset a ZKTeco admin password, you can use the ZKTeco Password Reset Tool
Some models have a physical reset button or a "Tamper Switch" on the back of the device. download zkteco password reset tool repack
Officially, ZKTeco provides a proprietary utility called the (also known as ZKResetTool.exe or ResetAdminPassword.exe ). This software is designed to connect to the device via RS232, RS485, Ethernet, or USB and force a reset of the administrator credentials back to factory defaults without deleting user fingerprints, face templates, or attendance logs. To reset a ZKTeco admin password, you can