Dahua model
HY-GC21B-W2(868)
Dahua lists 1 firmware file for the HY-GC21B-W2(868). This is the retail model name. Inside the firmware, Dahua uses its own device IDs, listed below, which can lead you to more compatible firmware.
- Firmware files
- 1
- Newest
- Mar 19, 2026
- Listed by
- Dahua
Firmware
- DHI_HYGC21B-W2(868)_Eng_MCU_V1.000.0000001.0.R.251211.zipDownload
Released Mar 19, 2026 · V1.000.0000001.0.R · Microcontroller firmware · Dahua