Firmware

DHI_HYSA40A-R8_Eng_MCU_V1.000.0000006.0.R.250918.zip

Dahua firmware released Oct 11, 2025. Microcontroller firmware.

Released: Oct 11, 2025
Version: V1.000.0000006.0.R
Size: 68.3 KB
Hardware: Microcontroller firmware

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5: 9c71908c3671ad69dd6adceb07ed73c8
SHA-256: b2f04d2584c9de79130e4dbd9c77b87eeca7edb1a5a38c856157503fa6a80dc3

Where it's published

Available from
Dahua
Dahua Download Center
Current
Sold as
- HY-SA40A-R8
V1.000.0000006.0.R · Listed date Oct 11, 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.