Firmware
DH_IPC-HX2(1)XXX-Euler_Chn_PN_V2.840.0000000.15.R.250730.bin
Dahua firmware released Sep 24, 2025. May work with 7 devices, including IPC-HDW1230C-A-V2-BF, IPC-HFW1230M-A-B-S4, IPC-HFW1230M-V2-BF.
- Released
- Sep 24, 2025
- Version
- V2.840.0000000.15.R
- Size
- 16.5 MB
- Hardware
- 7 devices
Download
Permanent copy on the Internet Archive (item page)
- MD5
15302a27d3f7743fc42d090a163044e8- SHA-256
bcfb629748f5a7f89f1e9a439012dca6d63c9c9ef64e88faa58e87034cff9828
The vendor published a different MD5 for this file. It was kept because two separate downloads were identical, and it passed the integrity check; vendors occasionally publish wrong checksums.
Where it's published
Available from
Dahua
Dahua China support portal (support.dahuatech.com)
CurrentSold as
- DH-IPC-HDBW1230R
- DH-IPC-HDBW1235R
- DH-IPC-HDW1230C-A
- DH-IPC-HDW1235C-A
- DH-IPC-HFW1230M-A-I1
- DH-IPC-HFW1230M-A-I2
- DH-IPC-HFW1230M-I1
- DH-IPC-HFW1230M-I2
- DH-IPC-HFW1235M-A-I1
- DH-IPC-HFW1235M-A-I2
- DH-IPC-HFW1235M-I1
- DH-IPC-HFW1235M-I2
- DH-IPC-T12
- DH-IPC-T12D
- DH-IPC-X12-B
- DH-IPC-X12-D
- DH-IPC-X12D-B
- DH-IPC-X12D-D
- DH-P20A1
- DH-P20A1-A
- DH-P20B1
- DH-P20T1
- DH-P20T1-A
- Chinese-language build
V2.840.0000000.15.R · Listed date Sep 24, 2025
Vendor link (supportfile.dahuatech.com)
Previously at 3 other addresses
- https://supportfile.dahuatech.com/%E7%A8%8B%E5%BA%8F%E5%8D%87%E7%BA%A7%E5%8C%85%2F%E7%BD%91%E7%BB%9C%E6%91%84%E5%83%8F%E6%9C%BA%EF%BC%88IPC%EF%BC%89%2FDH-IPC%EF%BC%881%E7%B3%BB%2F2%E7%B3%BB3%E7%B3%BB%EF%BC%89+%2F9fdf821e5c264ccb99426143e43b66ad.bin?auth_key=1791243371-0-0-de11b2f751b80cb88af950a29cd7dd7f&response-content-disposition=attachment;filename=DH_IPC-HX2%25281%2529XXX-Euler_Chn_PN_V2.840.0000000.15.R.250730.bin.bin (last seen Oct 5, 2026)
- https://supportfile.dahuatech.com/%E7%A8%8B%E5%BA%8F%E5%8D%87%E7%BA%A7%E5%8C%85%2F%E7%BD%91%E7%BB%9C%E6%91%84%E5%83%8F%E6%9C%BA%EF%BC%88IPC%EF%BC%89%2FDH-IPC%EF%BC%881%E7%B3%BB%2F2%E7%B3%BB3%E7%B3%BB%EF%BC%89+%2F9fdf821e5c264ccb99426143e43b66ad.bin?auth_key=1791322362-0-0-28006e8a8179db4b742a9a73e27bd2de&response-content-disposition=attachment;filename=DH_IPC-HX2%25281%2529XXX-Euler_Chn_PN_V2.840.0000000.15.R.250730.bin.bin (last seen Oct 6, 2026)
- https://supportfile.dahuatech.com/%E7%A8%8B%E5%BA%8F%E5%8D%87%E7%BA%A7%E5%8C%85%2F%E7%BD%91%E7%BB%9C%E6%91%84%E5%83%8F%E6%9C%BA%EF%BC%88IPC%EF%BC%89%2FDH-IPC%EF%BC%881%E7%B3%BB%2F2%E7%B3%BB3%E7%B3%BB%EF%BC%89+%2F9fdf821e5c264ccb99426143e43b66ad.bin?auth_key=1791932399-0-0-274799affd5bc7ec0735f85366d9f0da&response-content-disposition=attachment;filename=DH_IPC-HX2%25281%2529XXX-Euler_Chn_PN_V2.840.0000000.15.R.250730.bin.bin (last seen Oct 13, 2026)
Compatible hardware
Hardware IDs this firmware's installer accepts (7 devices).
- IPC-HDW1230C-A-V2-BF
- IPC-HFW1230M-A-B-S4
- IPC-HFW1230M-V2-BF
- IPC-HFW1230SP-S4-BF
- IPC-HFW1239S1-LED-S4-BF
- IPC-HFW1239S1P-A-LED-S5
- IPC-HFW1239V-A-IL-S5
Where these IDs come from
- hwid: the device's own hardware check list, 7 IDs
- Install: the installer's device list (board families), 1 ID, vendor General (not counted: a more specific list exists)
- check.img: the device's own hardware check list, 7 IDs
Technical details
Read from inside the firmware (dahua package (zip variant)).
- SoC
- SigmaStar SSC325
- Architecture
- arm
- OEM build
- General
- Kernel
- Linux 4.9.84
- Bootloader
- U-Boot 2010.06-svn17449
- Flash
- 16.0 MB
- Image dates
- Jul 30, 2025
- Security
- Signed, not encrypted, security baseline V2.3
- Language & video
- SimpChinese by default · PAL
Flash layout: 11 partitions, 5 written by this firmware
From the firmware's partition table (partitionV2.txt).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| mini-Boot | 0x0 | 0x40000 | 256.0 KB | not written | — | — |
| U-Boot | 0x80000 | 0xc0000 | 256.0 KB | dhboot.bin.img | — | 2025-07-30 |
| hwid | 0xc0000 | 0xd0000 | 64.0 KB | not written | — | — |
| partition(ro) | 0xd0000 | 0xe0000 | 64.0 KB | partition-x.cramfs.img | cramfs | 2025-07-30 |
| Kernel | 0xe0000 | 0x280000 | 1.6 MB | kernel.img | — | 2025-07-30 |
| web(ro) | 0x280000 | 0x750000 | 4.8 MB | kernel-aol.img | squashfs | 2025-07-30 |
| romfs(ro) | 0x750000 | 0xf00000 | 7.7 MB | romfs-x.squashfs.img | squashfs | 2025-07-30 |
| config | 0xf00000 | 0xf50000 | 320.0 KB | not written | jffs2 | — |
| backup | 0xf50000 | 0xfa0000 | 320.0 KB | not written | jffs2 | — |
| dgs | 0xfa0000 | 0xff0000 | 320.0 KB | not written | — | — |
| updateflag | 0xff0000 | 0x1000000 | 64.0 KB | not written | — | — |
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 V2.3 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-HX2(1)XXX-Euler_EngSpnRus_NP_V2.840.0000000.15.R.250730.zip
Released Aug 19, 2025 · V2.840.0000000.15.R · 7 devices · Dahua
- DH_IPC-HX2(1)XXX-Euler_EngSpnRus_PN_V2.840.0000000.15.R.250730.zip
Released Aug 19, 2025 · V2.840.0000000.15.R · 7 devices · Dahua
- DH_IPC-HX2(1)XXX-Euler_EngSpnRus_PN_V2.840.0000000.15.R.250730.bin
Released Jul 30, 2025 · V2.840.0000000.15.R · 7 devices · Dahua
- DH_IPC-HX2(1)XXX-Euler_EngSpnRus_PN_V2.840.0000000.13.R.240726.bin
Released Jul 26, 2024 · V2.840.0000000.13.R · 7 devices · Dahua
- DH_IPC-HX2(1)XXX-Euler_EngSpnRus_PN_V2.840.0000000.9.R.231124.bin
Released Nov 24, 2023 · V2.840.0000000.9.R · 7 devices · Dahua
- DH_IPC-HX2(1)XXX-Euler_EngSpnRus_PN_V2.840.0000000.6.R.230111.bin
Released Jan 11, 2023 · V2.840.0000000.6.R · 7 devices · Dahua
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