Firmware
DH_NVR2XXX-I_Mul_V4.002.0000000.1.R.220211.rar
CCTV App firmware released Feb 11, 2022. May work with 1 device.
- Released
- Feb 11, 2022
- Version
- V4.002.0000000.1.R
- Size
- 247.0 MB
- Hardware
- 1 device
Download
Permanent copy on the Internet Archive (item page)
- MD5
a9b9b51806ce7550180ee425789ef055- SHA-256
94e865ef1d69049628f6b61fcf5672ad802ab31b0da87f91fdea964c0e0fb4cf
Where it's published
Recovered from the Wayback Machine
CCTV App
Wayback Machine (files.cctvapp.net)
Wayback copyCaptured Jan 29, 2026 from
https://files.cctvapp.net/Firmware/Dahua/Network-Recoder/NVR/NVR-I/NVR2XXX-I/DH_NVR2XXX-I_Mul_V4.002.0000000.1.R.220211.rar- Recovered from the Wayback Machine (captured 2026-01-29)
V4.002.0000000.1.R · Listed date Feb 11, 2022
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_NVR2XXX-I_Mul_V4.002.0000000.1.R.220211/DH_NVR2XXX-I_Mul_V4.002.0000000.1.R.220211.bin: the installer script's board checks, 2 IDs
Technical details
Read from inside the firmware (bundle of several firmwares). This file bundles 6 firmware images.
DH_NVR2XXX-I_Mul_V4.002.0000000.1.R.220211/DH_NVR2XXX-I_Mul_V4.002.0000000.1.R.220211.bin
- SoC
- HiSilicon Hi3535AV100
- Architecture
- arm
- Bootloader
- U-Boot 2010.06-svn2599
- Flash
- 256.0 MB
- Image dates
- Feb 11, 2022
- Security
- Signed
Flash layout: 13 partitions, 8 written by this firmware
From the recorder's Install.lua partition table.
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| miniboot | 0xa0000000 | 0xa0080000 | 512.0 KB | miniboot.bin.img | — | 2022-02-11 |
| uboot | 0xa0080000 | 0xa0180000 | 1.0 MB | u-boot.bin.img | — | 2022-02-11 |
| uboot_brk | 0xa0180000 | 0xa0280000 | 1.0 MB | not written | — | — |
| env | 0xa0280000 | 0xa0480000 | 2.0 MB | not written | — | — |
| romfs | 0xa0480000 | 0xa3780000 | 51.0 MB | romfs-x.squashfs.img | squashfs | 2022-02-11 |
| custom | 0xa3780000 | 0xa3980000 | 2.0 MB | custom-x.squashfs.img | squashfs | 2022-02-11 |
| web | 0xa3980000 | 0xa4880000 | 15.0 MB | web-x.squashfs.img | squashfs | 2022-02-11 |
| logo | 0xa4880000 | 0xa4a80000 | 2.0 MB | logo-x.squashfs.img | squashfs | 2022-02-11 |
| dsg | 0xa4a80000 | 0xa4b00000 | 512.0 KB | not written | — | — |
| ext_usr | 0xa4b00000 | 0xa7400000 | 41.0 MB | ext_usr-x.squashfs.img | squashfs | 2022-02-11 |
| config_fw | 0xa7400000 | 0xa7600000 | 2.0 MB | not written | — | — |
| config | 0xa7600000 | 0xa8000000 | 10.0 MB | not written | — | — |
| algorithm | 0xa8000000 | 0xb0000000 | 128.0 MB | algorithm-x.squashfs.img | squashfs | 2022-02-11 |
DH_NVR2XXX-I_Mul_V4.002.0000000.1.R.220211/algorithm-x.squashfs.img
- Architecture
- arm
- Image dates
- Feb 11, 2022
- 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 | 0xa8000000 | 0xb0000000 | 128.0 MB | algorithm-x.squashfs.img | squashfs | 2022-02-11 |
DH_NVR2XXX-I_Mul_V4.002.0000000.1.R.220211/custom-x.squashfs.img
- Architecture
- arm
- Image dates
- Feb 11, 2022
- 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 | 2022-02-11 |
DH_NVR2XXX-I_Mul_V4.002.0000000.1.R.220211/logo-x.squashfs.img
- Architecture
- arm
- Image dates
- Feb 11, 2022
- 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 | 2022-02-11 |
DH_NVR2XXX-I_Mul_V4.002.0000000.1.R.220211/u-boot.bin.img
- Architecture
- arm
- Image dates
- Feb 11, 2022
- Security
- Not signed
DH_NVR2XXX-I_Mul_V4.002.0000000.1.R.220211/web-x.squashfs.img
- Architecture
- arm
- Image dates
- Feb 11, 2022
- 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 | 2022-02-11 |
Related firmware
Other files for much of the same hardware, from any vendor.
- DH_NVR2XXX-I_Mul_V4.002.0000000.4.R.240729.zip
Released Aug 11, 2024 · V4.002.0000000.4.R · 1 device · Dahua
- DH_NVR2XXX-I_Mul_V4.002.0000000.4.R.240729.bin
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- General_NVR2XXX-I_Mul_V4.002.0000000.4.R.240729.bin
Released Jul 29, 2024 · V4.002.0000000.4.R · 1 device · Dahua
- DH_NVR2XXX-I_Mul_V4.002.0000000.3.R.221122.bin
Released Nov 22, 2022 · V4.002.0000000.3.R · 1 device · Dahua
- General_NVR2XXX-I_Mul_V4.002.0000000.3.R.221122.bin
Released Nov 22, 2022 · V4.002.0000000.3.R · 1 device · Dahua
- NVR2XXX-I_Mul_V4.002.0000000.3.R.221122.zip
Released Nov 22, 2022 · V4.002.0000000.3.R · 1 device · Eltrox
- DH_NVR2XXX-I_Mul_V4.002.0000000.2.R.220811.bin
Released Aug 11, 2022 · V4.002.0000000.2.R · 1 device · Dahua, Global DS, Dahua India
- 1077026_Customer_NVR2XXX-I_MultiLang_AlarmCenter_DH_V4.002.18LI000.0.R.211116.zip
Released Apr 19, 2022 · V4.002.18LI000.0.R · 1 device · Dahua