Firmware
DH_XVR4x04-I-V2_MultiLang_V4.004.0000001.0.R.250821.zip
Dahua firmware released Sep 10, 2025. May work with 1 device.
- Released
- Sep 10, 2025
- Version
- V4.004.0000001.0.R
- Size
- 44.5 MB
- Hardware
- 1 device
Download
Permanent copy on the Internet Archive (item page)
- MD5
dfada7b6c150a256e04e66c5d972633f- SHA-256
a9a55743f8439fd8657a561f780a89299cb2f7b3dc8bbcd5c358fabbb52481d3- Changelog
- Release notes
Where it's published
Available from
Dahua
Dahua Download Center
CurrentV4.004.0000001.0.R · Listed date Sep 10, 2025
Compatible hardware
Hardware IDs this firmware's installer accepts (1 device). Names with placeholders such as x or XXX are board families.
Where these IDs come from
- Install.lua in DH_XVR4x04-I-V2_MultiLang_V4.004.0000001.0.R.250821.bin: the installer script's board checks, 2 IDs
Technical details
Read from inside the firmware (zip archive).
- Architecture
- arm
- Flash
- 64.0 MB
- Image dates
- Aug 21, 2025
- Security
- Signed
Flash layout: 12 partitions, 7 written by this firmware
From the recorder's Install.lua partition table.
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| param | 0xa0000000 | 0xa02c0000 | 2.8 MB | not written | — | — |
| uboot | 0xa02c0000 | 0xa0540000 | 2.5 MB | u-boot.bin.img | — | 2025-08-21 |
| env | 0xa0540000 | 0xa0740000 | 2.0 MB | not written | — | — |
| kernel | 0xa0740000 | 0xa0b80000 | 4.3 MB | uImage.img | — | 2025-08-21 |
| romfs | 0xa0b80000 | 0xa2c80000 | 33.0 MB | romfs-x.squashfs.img | squashfs | 2025-08-21 |
| custom | 0xa2c80000 | 0xa2d00000 | 512.0 KB | custom-x.squashfs.img | squashfs | 2025-08-21 |
| web | 0xa2d00000 | 0xa3440000 | 7.3 MB | web-x.squashfs.img | squashfs | 2025-08-21 |
| logo | 0xa3440000 | 0xa34c0000 | 512.0 KB | logo-x.squashfs.img | squashfs | 2025-08-21 |
| ext_usr | 0xa34c0000 | 0xa3740000 | 2.5 MB | ext_usr-x.squashfs.img | squashfs | 2025-08-21 |
| dgs | 0xa3740000 | 0xa3780000 | 256.0 KB | not written | — | — |
| config_fw | 0xa3780000 | 0xa3a80000 | 3.0 MB | not written | — | — |
| config | 0xa3a80000 | 0xa4000000 | 5.5 MB | not written | — | — |
Related firmware
Other files for much of the same hardware, from any vendor.
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