Here are the official and recommended methods for sourcing the correct firmware:
Re-download the firmware file if the USB cannot read it. Frequently Asked Questions Q: Where can I get the zkteco k40 pro firmware download updated
: Do not power off the device during the update process, as this can permanently damage the terminal. Key Features of Recent Versions Here are the official and recommended methods for
This is the safest method as it removes the risk of network drops during the installation process. zkteco k40 pro firmware download updated