B. USB/SD card (local)

After the device reboots, complete these final steps to verify a successful installation:

Beep. Beep. Beep.

Do not download ZKTeco firmware from third-party blogs, forums, or unofficial file-sharing sites.

That night, she watched the security monitors. At 3:00 AM, Wei shuffled into the server room. He didn't have a keycard. He didn't have a fingerprint on file. He just pressed his thumb to the back of the inBio-160—a spot with no sensor.

Use a smaller USB drive (ideally 8GB or 16GB ). Large external hard drives or high-capacity USB sticks often fail to mount.

Once the progress bar fills, the terminal will automatically reboot. The first reboot after an update may take up to five minutes as the device rebuilds its internal system caches. Once the home screen appears: Re-enter the admin menu. Go to System Info -> Firmware Info .

Method B: Web Interface Update (For Network-Enabled Devices)

: In your access control software (e.g., ZKBioAccess), select your device and choose Upgrade Firmware

Unofficial firmware may contain malware or backdoors that compromise your network.