: If you are unsure which version matches your specific hardware, contact ZKTeco Support with your device serial number to avoid bricking the unit. Firmware Update Guide (USB Method) typically uses the USB Host port for firmware upgrades.
Offers a specialized Software Download section for regional versions. Top Firmware Features & Enhancements zkteco k40 pro firmware top download
: Look for the Upgrade Firmware option. The device will search the USB disk for the upgrade file and begin the process. : If you are unsure which version matches
Warning: firmware modification or flashing carries risk of bricking the device, voiding warranty, and causing data loss. Only proceed if you understand the risks and have backups of device data and configuration. zkteco k40 pro firmware top download
