Dahua model
SD4F420DA-HNY
Dahua lists 2 firmware files for the SD4F420DA-HNY. 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
- Jul 30, 2026
- Listed by
- Dahua
- Dahua device IDs
- 7
Firmware
- DH_SD-4X-Hugo_MultiLang_PN_V3.120.0000000.40.R.260717.zipDownload
Released Jul 30, 2026 · V3.120.0000000.40.R · 5 devices · Dahua
- General_SD49XXX-HN-MTBD_MCU_V2.401.0000003.22.R.260428.zipDownload
Released Jun 19, 2026 · V2.401.0000003.22.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.