Via ZK Access 3.5 (Windows):

A reset will often return the device to its default IP address (usually 192.168.1.201 ).

Desperate, Sarah turned to the hardware itself. Some models had a tamper switch

: This only removes the admin lock, allowing you to enter the menu and perform a full factory reset from there. 4. Password Calculation Method

: Note the exact time shown on the device's home screen (e.g., 14:20). Generate a Super Password Subtract the current screen time from Square the result ( The resulting number is your Super Password for that specific minute. Enter Service Mode . When prompted for an ID, enter and enter your generated Super Password. Clear Admin : Once in the menu, go to and select Clear Admin Privileges

To factory reset a ZKTeco UA300 time attendance terminal, you can use the device menu, a hardware bypass, or a software-based approach. Be aware that a full factory reset will erase all user data, fingerprints, and attendance logs. 1. Reset via Device Menu (Admin Access Required)

"It’s just a machine," Sarah muttered, her eyes scanning the device's color screen. She knew that to regain control, she needed to perform a factory reset or at least bypass the admin lock. The Software Gambit