Firmware

DHI_HYSA20A_Eng_MCU_V1.000.0000008.0.R.250623.zip

Dahua firmware released Jun 30, 2025. Microcontroller firmware.

Released: Jun 30, 2025
Version: V1.000.0000008.0.R
Size: 37.0 KB
Hardware: Microcontroller firmware

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5: 9b511d0187485b0b26ff016b41d2c375
SHA-256: 1aadac7275a34fe06c9863f189091002eb85a9a42cb1f5f828bed8162b80344d

Where it's published

Available from
Dahua
Dahua Download Center
Current
Sold as
- HY-SA30A
- HY-SA20A
V1.000.0000008.0.R · Listed date Jun 30, 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.