The standard method for updating ZKTeco standalone terminals is via a USB drive.
: If a specific model's firmware is not listed, contact service@zkteco.com or support@zkteco.com with your device model and serial number. How to Update Your ZKTeco Device zkteco firmware update download
Navigate to the device's or USB Management menu. Select the Firmware Upgrade option. The standard method for updating ZKTeco standalone terminals
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