: Most ZKTeco devices support firmware updates via a USB drive. Use a blank USB drive formatted to FAT32 for maximum compatibility.
Turn on the device. Navigate to M/OK -> System -> USB Upgrade (exact menu paths vary by model). Zkteco Update Firmware
The Ultimate Guide to ZKTeco Firmware Updates: Step-by-Step Optimization and Troubleshooting : Most ZKTeco devices support firmware updates via
What (e.g., BioTime, ZKBiosecurity, ZKAccess 3.5) do you use to manage it? Zkteco Update Firmware
⚠️ Warning: Wrong file = Bricked device. Backup first!