Firmware

DHI_HYSA2FA_Eng_MCU_V1.000.0000004.0.R.250722.zip

Dahua firmware released Jul 31, 2025. Microcontroller firmware.

Released: Jul 31, 2025
Version: V1.000.0000004.0.R
Size: 47.4 KB
Hardware: Microcontroller firmware

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5: 2191258099cafd350667fe65cb75fa7f
SHA-256: 57a47a662a7f99d23b0486ea51e785c8aac1abce67106f57c43e9789e5675d9d

Where it's published

Available from
Dahua
Dahua Download Center
Current
Sold as
- HY-SA2FA
V1.000.0000004.0.R · Listed date Jul 31, 2025
Vendor link (materialfile.dahuasecurity.com)

Compatible hardware

This is microcontroller firmware (an Intel HEX image): it updates a small chip inside a device, such as a PTZ motor controller, door station or access controller, not the device's main system. It has no operating system and no list of supported hardware.