Firmware
DH_IPC-HX5XXX-Volt_MultiLang_NP_Stream3-USA_MCF_V2.840.0000000.31.R.250407.bin
Dahua firmware released Apr 7, 2025. May work with 26 devices, including IPC-HDW4243H-E2-AST, IPC-HDW4243H-E2-ST, IPC-HDW4449H-E2-AST.
- Released
- Apr 7, 2025
- Version
- V2.840.0000000.31.R
- Size
- 78.0 MB
- Hardware
- 26 devices
Download
Permanent copy on the Internet Archive (item page)
- MD5
6f39e1adfc0ef67e21872747adf10e7c- SHA-256
5e0d3a9efcb4f1491279e2088304d19af6c7e4b305597106dbca9c589587d3ca
Where it's published
Available from
Dahua
Dahua
CurrentV2.840.0000000.31.R · Listed date Apr 7, 2025
Available from
Dahua
DahuaFileDirectory
CurrentV2.840.0000000.31.R · Listed date Apr 7, 2025
Compatible hardware
Hardware IDs this firmware's installer accepts (26 devices).
- IPC-HDW4243H-E2-AST
- IPC-HDW4243H-E2-ST
- IPC-HDW4449H-E2-AST
- IPC-HDW4449H-E2-ST
- IPC-HDW5249H-YL-E2-AS
- IPC-HDW5249H-YL-E2-SA
- IPC-HDW5449H-ASE-D2
- IPC-HDW5449H-ASE-D2-0280
- IPC-HDW5449H-E2-AST
- IPC-HDW5449H-E2-AST-0280
- IPC-HDW5449H-E2-ST
- IPC-HDW5449H-YL-E2
- IPC-HDW5449H-YL-E2-AS
- IPC-HFW4243M1-E2-AST-I2
- IPC-HFW4243M1-E2-ST-I2
- IPC-HFW4449M1-E2-AST
- IPC-HFW4449M1-E2-ST
- IPC-HFW5249M1-YL-E2-AS
- IPC-HFW5249M1-YL-E2-SA
- IPC-HFW5449M1-E2-AST
- IPC-HFW5449M1-E2-ST
- IPC-HFW5449M1-YL-E2
- IPC-HFW5449M1-YL-E2-AS
- IPC-HFW5449M1-YL-E2-AS-JM
- IPC-HFW5449T1-ASE-D2
- IPC-T22YYLS
Where these IDs come from
- hwid: the device's own hardware check list, 26 IDs
- Install: the installer's device list (board families), 1 ID, vendor Dahua (not counted: a more specific list exists)
- check.img: the device's own hardware check list, 26 IDs
Technical details
Read from inside the firmware (dahua package (zip variant)).
- SoC
- HiSilicon Hi3516CV500
- Architecture
- arm
- OEM build
- Dahua
- Flash
- 128.0 MB
- Image dates
- Apr 7, 2025
- Security
- Signed, encrypted, security baseline V2.1
- Language & video
- English by default · 23 languages · NTSC
Supported languages (23)
English, TradChinese, Italian, Spanish, Japanese, Russian, French, German, Portuguese, Turkish, Polish, Romanian, Hungarian, Korean, Czech, Dutch, Ukrainian, Vietnamese, Arabic, SpanishEU, Hebrew, Thai, Indonesian
Flash layout: 16 partitions, 8 written by this firmware
From the firmware's partition table (partitionV2.txt).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| mini-Boot | 0x0 | 0x100000 | 1.0 MB | not written | — | — |
| U-Boot | 0x200000 | 0x300000 | 1.0 MB | dhboot.bin.img | — | 2025-04-07 |
| updateflag | 0x300000 | 0x400000 | 1.0 MB | not written | — | — |
| hwid | 0x400000 | 0x480000 | 512.0 KB | not written | — | — |
| config | 0x480000 | 0xa80000 | 6.0 MB | not written | ubi | — |
| backup | 0xa80000 | 0x1080000 | 6.0 MB | not written | ubi | — |
| syslog | 0x1080000 | 0x1680000 | 6.0 MB | not written | ubi | — |
| partition(ro) | 0x1680000 | 0x1700000 | 512.0 KB | partition-x.cramfs.img | cramfs | 2025-04-07 |
| dgs | 0x1700000 | 0x1800000 | 1.0 MB | not written | — | — |
| kernel_min | 0x1800000 | 0x1a00000 | 2.0 MB | kernel_min.img | — | 2025-04-07 |
| romfs_min(ro) | 0x1a00000 | 0x1e80000 | 4.5 MB | romfs_min-x.squashfs.img | squashfs | 2025-04-07 |
| bakpart(ro) | 0x1e80000 | 0x1f00000 | 512.0 KB | partition-x-bak.cramfs.img | cramfs | 2025-04-07 |
| appdata | 0x1f00000 | 0x2500000 | 6.0 MB | not written | ubi | — |
| Kernel | 0x2500000 | 0x2900000 | 4.0 MB | kernel.img | — | 2025-04-07 |
| romfs(ro) | 0x2900000 | 0x5200000 | 41.0 MB | romfs-x.squashfs.img | squashfs | 2025-04-07 |
| firmware(ro) | 0x5200000 | 0x8000000 | 46.0 MB | firmware-x.squashfs.img | squashfs | 2025-04-07 |
About the security baseline: firmware with a higher security baseline can stop a device going back to older firmware. A device already on a higher baseline than V2.1 may refuse this file, and after installing it you may not be able to downgrade to firmware with a lower baseline.
Related firmware
Other files for much of the same hardware, from any vendor.
- DH_IPC-HX5XXX-Volt_MultiLang_PN_Stream3_MCF_V2.840.0000000.31.R.250407.zip
Released May 1, 2025 · V2.840.0000000.31.R · 26 devices · Dahua
- General_IPC-HX5XXX-Volt_MultiLang_PN_Stream3_MCF_V2.840.0000000.31.R.250407.bin
Released Apr 7, 2025 · V2.840.0000000.31.R · 26 devices · Montavue
- Amcrest_IPC-HX5XXX-Volt_Eng_NP_Stream3_MCF_AMCREST-CustomPro_V2.840.00AC003.0.R.241107.zip
Released Nov 7, 2024 · V2.840.00AC003.0.R · 26 devices · Amcrest
- DH_IPC-HX5XXX-Volt_MultiLang_NP_Stream3-USA_MCF_V2.840.18LK006.0.R.230703.bin
Released Jul 3, 2023 · V2.840.18LK006.0.R · 26 devices · Dahua
- DH_IPC-HX5XXX-Volt_MultiLang_NP_Stream3-USA_MCF_V2.840.0000000.20.R.220831.bin
TruncatedReleased Aug 31, 2022 · V2.840.0000000.20.R · 26 devices · Dahua
- DH_IPC-HX5XXX-Volt_MultiLang_PN_Stream3_MCF_V2.840.0000000.20.R.220831.zip
Released Aug 31, 2022 · V2.840.0000000.20.R · 26 devices · Sveistrup
- General_IPC-HX5XXX-Volt_MultiLang_PN_Stream3_MCF_V2.840.0000000.20.R.220831.bin
Released Aug 31, 2022 · V2.840.0000000.20.R · 26 devices · EmpireTech