If you have attempted all three methods and the device remains locked or unbootable, the internal NAND flash may have failed. In that case, contact ZKTeco’s regional support for a mainboard replacement.
Once your ZKTeco UA300 reboots into its factory state, you will need to reconfigure it for your office network: zkteco ua300 factory reset
Assign a new static IP address, Subnet Mask, and Gateway that matches your local network architecture. 2. Set the Date and Time Accurate logging relies on the correct system time. Go to > System > Date/Time . If you have attempted all three methods and
: Use arrow keys to find System or Settings . zkteco ua300 factory reset