Dahua model
SDT3A400-GA-HNP-BX
Dahua lists 2 firmware files for the SDT3A400-GA-HNP-BX. 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
- 2
- Newest
- May 12, 2026
- Listed by
- Dahua
- Dahua device IDs
- 3
Firmware
- DH_SD-Taurus_MultiLang_PN_Stream3-Normal-R_V3.200.0000031.2.R.260421.zipDownload
Released May 12, 2026 · V3.200.0000031.2.R · 1 device · Dahua
- General_SD3AXXX-HN-BGQ_MCU_V2.401.0000003.6.R.250512.zipDownload
Released Jul 9, 2025 · V2.401.0000003.6.R · 2 devices · Dahua
Dahua device IDs in this firmware
Compare these with the updateSerial your device reports. Each one links to every firmware found for that ID.