Does your device freeze occasionally? Does the TCP/IP connection drop randomly? These are often software bugs. Firmware updates frequently contain "stability improvements" that fix these nagging glitches, ensuring the device runs smoothly 24/7.
: Some users on forums like Reddit have noted that adding features like ADMS —necessary for cloud sync—sometimes requires a firmware update that ZKTeco or its distributors may charge for, even if you already own the hardware. Zkteco Update Firmware
: If a specific firmware version is found to be incompatible with your local software version (e.g., an older version of Check Time), you can "pin" devices to a stable version to prevent accidental updates. Does your device freeze occasionally