Dahua model
VTH5421HB/VTH5421HW
Dahua lists 13 firmware files for the VTH5421HB/VTH5421HW. 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
- 13
- Newest
- Aug 15, 2026
- Listed by
- Dahua
- Dahua device IDs
- 9
Vendor notes
- An earlier build still on Dahua's download server after the download center replaced it
- Please upgrade to V4.6 before upgrading to V4.7
Firmware
- DH_VTHX6XXX-SX_MultiLang_SIP_EMEA_V4.810.1132000.0.R.260813.zipDownload
Released Aug 15, 2026 · V4.810.1132000.0.R · 9 devices · Dahua
- DH_VTHX6XXX-SX_MultiLang_SIP_Asia_V4.810.0000000.4.R.260528.zipDownload
Released May 28, 2026 · V4.810.0000000.4.R · 8 devices · Dahua
- DH_VTHX6XXX-SX_MultiLang_SIP_CEE-Nordic_V4.810.0000000.4.R.260528.zipDownload
Released May 28, 2026 · V4.810.0000000.4.R · 8 devices · Dahua
- DH_VTHX6XXX-SX_MultiLang_SIP_EMEA_V4.810.0000000.4.R.260528.zipDownload
Released May 28, 2026 · V4.810.0000000.4.R · 8 devices · Dahua
- DH_VTHX6XXX-SX_MultiLang_SIP_Asia_V4.810.0000000.3.R.260410.zipDownload
Released Apr 10, 2026 · V4.810.0000000.3.R · 8 devices · Dahua
- DH_VTHX6XXX-SX_MultiLang_SIP_CEE-Nordic_V4.810.0000000.3.R.260410.zipDownload
Released Apr 10, 2026 · V4.810.0000000.3.R · 8 devices · Dahua
- DH_VTHX6XXX-SX_MultiLang_SIP_EMEA_V4.810.0000000.3.R.260410.zipDownload
Released Apr 10, 2026 · V4.810.0000000.3.R · 8 devices · Dahua
- DH_VTHX6XXX-SX_MultiLang_SIP_Asia_V4.810.0000000.1.R.250915.zipDownload
Released Sep 15, 2025 · V4.810.0000000.1.R · 8 devices · Dahua
- DH_VTHX6XXX-SX_MultiLang_SIP_CEE-Nordic_V4.810.0000000.1.R.250915.zipDownload
Released Sep 15, 2025 · V4.810.0000000.1.R · 8 devices · Dahua
- DH_VTHX6XXX-SX_MultiLang_SIP_EMEA_V4.810.0000000.1.R.250915.zipDownload
Released Sep 15, 2025 · V4.810.0000000.1.R · 8 devices · Dahua, Santronic
- 2103986_DH_VTHX6XXX-SX_MultiLang_SIP_EMEA_V4.600.0000000.3.R.230303.zipDownload
Released Feb 14, 2024 · V4.600.0000000.3.R · 8 devices · Dahua
- 1947222709395.zipDownload
Released Sep 29, 2022 · V4.600.0000000.0.R · 8 devices · Dahua
- 1947379685011.zipDownload
Released Aug 19, 2022 · V4.600.0000000.0.R · 8 devices · Dahua, ASM
Dahua device IDs in this firmware
Compare these with the updateSerial your device reports. Each one links to every firmware found for that ID.