Download the firmware pack from the ZKTeco Support Page . If it is a compressed file (e.g., .zip), extract the contents.
Do not turn off the power during the process. The device will reboot automatically once finished. Verify the new version in the System Info menu. Why You Should Update Regularly K40 Pro - Biometric Attendance System Mumbai - ZKTeco India zkteco k40 pro firmware download updated
The primary source for all ZKTeco Download Center resources, including software and firmware notifications. Download the firmware pack from the ZKTeco Support Page
ZKTeco typically recommends a manual update process via a USB drive to ensure reliability, even for devices not connected to the internet. The device will reboot automatically once finished
Download * K40 Pro Data Sheet. 2.5MB. 2026-01-13. * K Series User Manual. 2.52MB. 2024-08-20. ZKTeco India K40 - ZKTeco
For specific local updates, check the ZKTeco Middle East Software Download page or the ZKTeco India Product Support section.
To ensure you are downloading authentic and safe files, always use official ZKTeco channels. Because firmware is region-specific, the exact version may vary by location.