The screen will show an upgrade progress bar.
provides specialized firmware updates and SDK resources for EU-compliant models. Middle East Region: zkteco.me Download Page zkteco firmware update download
| Model | Common Firmware Filename | Official Source Link | | :--- | :--- | :--- | | | K40_Update_V6.3.2.bin | ZKTeco USA Support > Time Attendance | | MB460 | MB460_VL_2023.pkg | ZKTeco Europe > Access Control | | F18 | F18_Main_V8.0.img | ZKTeco Global > Fingerprint Readers | | SpeedFace-V5L | SF_V5L_2.4.12.bin | ZKBioSecurity Partner Portal | | SF300 | SF300_NewSensor.bin | ZKTeco India Download Center | The screen will show an upgrade progress bar
: Some firmware downloads may be restricted or require specific vendor passwords. Free Upgrades Free Upgrades If your device is stuck in
If your device is stuck in a boot loop, you may need TFTP (Trivial File Transfer Protocol). This requires setting up a TFTP server on your PC, connecting via serial or network, and forcing the bootloader to accept the firmware.