Most official firmware is locked behind a partner login. You may need to email your local distributor. Provide them your .
Insert the USB into the ZKTeco device.
Copy the update.dat file to the root directory of the USB drive (not inside a folder). Zkteco Update Firmware
: Most ZKTeco devices support firmware updates via a USB drive. Use a blank USB drive formatted to FAT32 for maximum compatibility. Most official firmware is locked behind a partner login
Format a USB drive to FAT32 (not NTFS/exFAT). Zkteco Update Firmware
The device will restart automatically once the update is complete. Zkteco Europe Method 2: Web Server Interface