If you’ve followed the steps above but are still facing issues, try these advanced fixes:
:
A factory reset deletes all enrolled user fingerprints, card numbers, user IDs, and attendance logs. If your device is still accessible, use the ZKTeco official management software (such as ZKTime.Net or BioTime) to download and back up all user data and attendance records.
If you are locked out of the menu because you’ve forgotten the admin password, the hardware reset method is your best bet. This process forces the device to revert to factory defaults: zkteco ua300 factory reset
: Look at the current time displayed on the UA300 screen (e.g., 14:20).
The is a popular biometric attendance terminal known for its reliability and efficiency in small to medium-sized businesses. However, scenarios often arise where a factory reset is necessary—perhaps you've forgotten the administrator password, need to reconfigure the network settings, or want to wipe employee data to repurpose the device.
If an administrator has left the company or you forgot the login credentials, you will be locked out of both the device menu and the software link. Use these bypass methods to regain control. Option A: The Default Admin Account If you’ve followed the steps above but are
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.
You can clear administrator locks using management software if the device is connected to your network.
Press . The device will prompt you with a confirmation message (e.g., "Restore to default settings?"). Select OK to confirm. This process forces the device to revert to
The is a biometric time and attendance terminal. Factory resetting the device is typically done to clear the database, reset communication settings, or remove an administrator who is no longer available.
If your device has a small reset pinhole:
If you have administrator access to the device menu, resetting the ZKTeco UA300 to its default state takes less than a minute.
However, what happens when the administrator forgets the password? What if the device becomes unresponsive, rejects fingerprints, or displays an "Error: Communication Failure"?