If you search Google for "ZKTeco firmware update download," you will see dozens of third-party sites like firmwarefile.com , driverscollection.com , or various blogspots.
: 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
For specific firmware files or model-specific instructions, provide your device's (on the rear sticker, e.g., ZK-D3180-4G or FaceDepot-7B ). If you search Google for "ZKTeco firmware update
