Firmware

DHI_HYGC20B_Eng_MCU_V1.000.0000005.0.R.250428.zip

Dahua firmware released Jun 10, 2025. Microcontroller firmware.

Released: Jun 10, 2025
Version: V1.000.0000005.0.R
Size: 76.1 KB
Hardware: Microcontroller firmware

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5: 9d1a57a080c2eba67da4f21b3ae7e4e5
SHA-256: 25c15dc0f40d9ff1c9b403491812ee9e5de576e3c3412fe09d562da2348221e0

Where it's published

Available from
Dahua
Dahua Download Center
Current
Sold as
- HY-GC20B
V1.000.0000005.0.R · Listed date Jun 10, 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.