Dahua model
SD40212T-HN(-S2)
Dahua lists 4 firmware files for the SD40212T-HN(-S2). 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
- 4
- Newest
- Sep 14, 2026
- Listed by
- Dahua
- Dahua device IDs
- 15
Firmware
- DH_SD-Mao-Rhea_MultiLang_NP_Stream3_IVS_V2.800.0000000.8.R.260903.zipDownload
Released Sep 14, 2026 · V2.800.0000000.8.R · 13 devices · Dahua
- DH_SD-Mao-Rhea_MultiLang_NP_Stream3_IVS_V2.800.0000000.6.R.210705.zipDownload
Released Jul 9, 2021 · V2.800.0000000.6.R · 13 devices · Dahua
- DH_SD-Mao-Rhea_MultiLang_PN_Stream3_IVS_V2.800.0000000.6.R.210705.zipDownload
Released Jul 9, 2021 · V2.800.0000000.6.R · 13 devices · Dahua
- General_SD50XXX-HN_MCU_V2.401.0000000.65.R.200303.zipDownload
Released Mar 24, 2021 · V2.401.0000000.65.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.