Dahua model
ARM9A4-W2
Dahua lists 1 firmware file for the ARM9A4-W2. 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
- Jan 15, 2026
- Listed by
- Dahua
Firmware
- General_ARM9A4-W2_433_V1.000.0000001.0.R.251222.zipDownload
Released Jan 15, 2026 · V1.000.0000001.0.R · Microcontroller firmware · Dahua