Firmware
DH_IPC-WX-Web-Hertz2_EngSpnRus_PN_V2.800.0000000.18.R.230904.bin
Dahua firmware released Sep 4, 2023. May work with 20 devices, including IPC-B1A20-PV-V2, IPC-B1A20-W-B-V2, IPC-B1A20-WT-B-V2.
- Released
- Sep 4, 2023
- Version
- V2.800.0000000.18.R
- Size
- 17.1 MB
- Hardware
- 20 devices
Download
Permanent copy on the Internet Archive (item page)
- MD5
b0551fa2ac3a5e8a9f7b33c19425e365- SHA-256
91284823cee7841a73f032fa08b343252ab8cfa58bf7ebbc48d30b9913ee6eac
Where it's published
Mirrored by
Dahua
files.dahuatech.support
MirrorSold as
- Folder: IPC_Cameras/IPC-WX-Web-Hertz2/old
V2.800.0000000.18.R · Listed date Sep 4, 2023
Compatible hardware
Hardware IDs this firmware's installer accepts (20 devices).
- IPC-B1A20-PV-V2
- IPC-B1A20-W-B-V2
- IPC-B1A20-WT-B-V2
- IPC-B1A20-WT-PV-B-V2A
- IPC-B1A40-PV-V2
- IPC-B1A40-WT-B-V2
- IPC-B1A40-WT-PV-B-V2
- IPC-B3A40-WT
- IPC-HDBW1230DE-SW
- IPC-HDBW1430DE-SW
- IPC-HDW1230DT-SAW
- IPC-HDW1430DT-SAW
- IPC-HFW1230DS-SAW
- IPC-HFW1230DS1-SAW
- IPC-HFW1430DS-SAW
- IPC-HFW1430DS1-SAW
- IPC-WD22
- IPC-WD42
- IPC-WF22
- IPC-WF42
Where these IDs come from
- hwid: the device's own hardware check list, 20 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, 20 IDs
Technical details
Read from inside the firmware (dahua package (zip variant)).
- SoC
- SigmaStar SSC335
- Architecture
- arm
- OEM build
- General
- Kernel
- Linux 4.9.84
- Bootloader
- U-Boot 2010.06-svn12287
- Flash
- 16.0 MB
- Image dates
- Sep 4, 2023
- Security
- Signed, not encrypted, security baseline V2.3
- Language & video
- English by default · 3 languages · PAL
Supported languages (3)
English, Spanish, Russian
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 | — | 2023-09-04 |
| hwid | 0xc0000 | 0xd0000 | 64.0 KB | not written | — | — |
| partition(ro) | 0xd0000 | 0xe0000 | 64.0 KB | partition-x.cramfs.img | cramfs | 2023-09-04 |
| Kernel | 0xe0000 | 0x280000 | 1.6 MB | kernel.img | — | 2023-09-04 |
| web(ro) | 0x280000 | 0x750000 | 4.8 MB | kernel-aol.img | squashfs | 2023-09-04 |
| romfs(ro) | 0x750000 | 0xef0000 | 7.6 MB | romfs-x.squashfs.img | squashfs | 2023-09-04 |
| config | 0xef0000 | 0xf50000 | 384.0 KB | not written | jffs2 | — |
| backup | 0xf50000 | 0xfa0000 | 320.0 KB | not written | jffs2 | — |
| appdata | 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.
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Released Jul 25, 2025 · V2.800.0000000.23.R · 20 devices · Dahua
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Released Jul 25, 2025 · V2.800.0000000.23.R · 20 devices · Dahua
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