Zkteco Update Firmware !!top!!
Firmware updates generally do not delete user data (fingerprints/logs), but it is standard safety protocol to backup first.
Pro tip: Don't use a 64GB USB stick. Old ZK units only like 8GB or 16GB drives! Zkteco Update Firmware
Ensure the device is connected to a reliable power source. A power failure during an update can permanently "brick" the hardware 🛠️ Step-by-Step Update Procedure (USB Method) Firmware updates generally do not delete user data





