Firmware
DH_NVR4x-EI_MultiLang_V4.005.0000001.1.R.250224.zip
Dahua firmware released Feb 24, 2025. Encrypted firmware.
- Released
- Feb 24, 2025
- Version
- V4.005.0000001.1.R
- Size
- 248.6 MB
- Hardware
- Encrypted firmware
Download
Permanent copy on the Internet Archive (item page)
- MD5
8dfb45ce80868762dec3a0bbbd6a3d5c- SHA-256
9b89c6b6b316e33479013f882fc9a670010f8273b619a32bef1c8b7ad4fb0278
Where it's published
Recovered from the Wayback Machine
Dahua
Wayback Machine (materialfile.dahuasecurity.com)
Wayback copyCaptured Apr 22, 2025 from
https://materialfile.dahuasecurity.com/uploads/cpq/SWR/3066457/M/DH_NVR4x-EI_MultiLang_V4.005.0000001.1.R.250224.zip- Recovered from the Wayback Machine (captured 2025-04-22)
V4.005.0000001.1.R · Listed date Feb 24, 2025
Compatible hardware
This firmware is encrypted (the format Dahua uses for NVR4/NVR5 EI and XI builds), so its contents, including its list of supported hardware, can't be read. Use the model names the vendors list for it instead.
Technical details
Read from inside the firmware (bundle of several firmwares). This file bundles 5 firmware images.
algorithm-x.squashfs.img
- Architecture
- arm
- Image dates
- Feb 24, 2025
- Security
- Not signed, encrypted
Flash layout: 1 partition, 1 written by this firmware
From the image headers (only partitions this firmware writes).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| algorithm | 0xa4580000 | 0xa7180000 | 44.0 MB | algorithm-x.squashfs.img | squashfs | 2025-02-24 |
custom-x.squashfs.img
- Architecture
- arm
- Image dates
- Feb 24, 2025
- Security
- Not signed
Flash layout: 1 partition, 1 written by this firmware
From the image headers (only partitions this firmware writes).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| custom | 0xa3680000 | 0xa3880000 | 2.0 MB | custom-x.squashfs.img | squashfs | 2025-02-24 |
logo-x.squashfs.img
- Architecture
- arm
- Image dates
- Feb 24, 2025
- Security
- Not signed, encrypted
Flash layout: 1 partition, 1 written by this firmware
From the image headers (only partitions this firmware writes).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| logo | 0xa4380000 | 0xa4580000 | 2.0 MB | logo-x.squashfs.img | squashfs | 2025-02-24 |
u-boot.bin.img
- Architecture
- arm
- Image dates
- Feb 24, 2025
- Security
- Not signed
Flash layout: 1 partition, 1 written by this firmware
From the image headers (only partitions this firmware writes).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| u-boot | 0xa0140000 | 0xa03c0000 | 2.5 MB | u-boot.bin.img | — | 2025-02-24 |
web-x.squashfs.img
- Architecture
- arm
- Image dates
- Feb 24, 2025
- Security
- Not signed, encrypted
Flash layout: 1 partition, 1 written by this firmware
From the image headers (only partitions this firmware writes).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| web | 0xa3880000 | 0xa4380000 | 11.0 MB | web-x.squashfs.img | squashfs | 2025-02-24 |