Firmware
General_NVR4x-4KS3_MultiLang_V4.006.0000000.0.R.250402.zip
Dahua firmware released Apr 2, 2025. Encrypted firmware.
- Released
- Apr 2, 2025
- Version
- V4.006.0000000.0.R
- Size
- 147.3 MB
- Hardware
- Encrypted firmware
Download
Permanent copy on the Internet Archive (item page)
- MD5
85221a34d82253b93c9552439600d02d- SHA-256
5aa3b33e6a2c1844c235c70328fb241566b1b036ed17fe4bd1181cd9a808cfca
Where it's published
Mirrored by
Dahua
files.dahuatech.support
MirrorSold as
- Folder: Recorders/NVR/_NVR4x-4KS3/old
V4.006.0000000.0.R · Listed date Apr 2, 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
- SoC
- Novatek NT98632
- Architecture
- arm
- Image dates
- Apr 2, 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 | 0xa4a80000 | 0xa6f80000 | 37.0 MB | algorithm-x.squashfs.img | squashfs | 2025-04-02 |
custom-x.squashfs.img
- SoC
- Novatek NT98632
- Architecture
- arm
- Image dates
- Apr 2, 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 | 0xa3780000 | 0xa3980000 | 2.0 MB | custom-x.squashfs.img | squashfs | 2025-04-02 |
logo-x.squashfs.img
- SoC
- Novatek NT98632
- Architecture
- arm
- Image dates
- Apr 2, 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 | 0xa4880000 | 0xa4a80000 | 2.0 MB | logo-x.squashfs.img | squashfs | 2025-04-02 |
u-boot.bin.img
- SoC
- Novatek: one of NT98331, NT98632
- Architecture
- arm
- Bootloader
- U-Boot 2019.04-svn9179
- Image dates
- Apr 2, 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 | 0xa0080000 | 0xa0280000 | 2.0 MB | u-boot.bin.img | — | 2025-04-02 |
web-x.squashfs.img
- SoC
- Novatek NT98632
- Architecture
- arm
- Image dates
- Apr 2, 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 | 0xa3980000 | 0xa4880000 | 15.0 MB | web-x.squashfs.img | squashfs | 2025-04-02 |