Firmware
1368311_DH_VTO75X95X_MultiLang_PN_SIP_CEE-Nordic_V4.600.0000000.0.R.220805.zip
Dahua firmware released Sep 29, 2022. May work with 10 devices, including VTO7521G-V1, VTO7531G-4G-V1, VTO7531G-V1.
- Released
- Sep 29, 2022
- Version
- V4.600.0000000.0.R
- Size
- 234.4 MB
- Hardware
- 10 devices
Download
Permanent copy on the Internet Archive (item page)
- MD5
6a155209e8aa8eef211907d58fb320f5- SHA-256
21442cd1a44f9b58d4f8d19491a1ebf5941f8b8087f3f20ae91b18534aa95cd6
Where it's published
Available from
Dahua
Dahua Download Center
CurrentV4.600.0000000.0.R · Listed date Sep 29, 2022
Compatible hardware
Hardware IDs this firmware's installer accepts (10 devices).
- VTO7521G-V1
- VTO7531G-4G-V1
- VTO7531G-V1
- VTO7541G-4G-V1
- VTO7541G-V1
- VTO9521D-V1
- VTO9531D-HD-V2
- VTO9531D-V1
- VTO9541D-V1
- VTO9551D-V1
Where these IDs come from
- hwid in DH_VTO75X95X_MultiLang_PN_SIP_CEE-Nordic_V4.600.0000000.0.R.220805.bin: the device's own hardware check list, 10 IDs
- Install in DH_VTO75X95X_MultiLang_PN_SIP_CEE-Nordic_V4.600.0000000.0.R.220805.bin: the installer's device list (board families), 10 IDs, vendor Dahua (not counted: a more specific list exists)
- check.img in DH_VTO75X95X_MultiLang_PN_SIP_CEE-Nordic_V4.600.0000000.0.R.220805.bin: the device's own hardware check list, 10 IDs
- check.img in firmware.bin: the device's own hardware check list, 10 IDs
- Install in firmware.bin: the installer's device list (board families), 10 IDs, vendor Dahua (not counted: a more specific list exists)
- Install in web-x.squashfs.bin: the installer's device list (board families), 10 IDs, vendor Dahua (not counted: a more specific list exists)
- check.img in web-x.squashfs.bin: the device's own hardware check list, 10 IDs
Technical details
Read from inside the firmware (bundle of several firmwares). This file bundles 3 firmware images.
DH_VTO75X95X_MultiLang_PN_SIP_CEE-Nordic_V4.600.0000000.0.R.220805.bin
- SoC
- HiSilicon Hi3516DV300
- Architecture
- arm
- OEM build
- Dahua
- Flash
- 17179869185.3 GB
- Image dates
- Aug 5, 2022
- Security
- Signed, encrypted
- Language & video
- English by default · 15 languages · PAL
Supported languages (15)
English, Polish, Romanian, Hungarian, Finnish, Dansk, Czechish, Bulgaria, Slovakian, Slovenia, Greek, Serbian, Lithuanian, Latvian, Hebrew
Flash layout: 24 partitions, 7 written by this firmware
From the firmware's partition table (partitionV2.txt).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| mini-Boot | 0x0 | 0x100000 | 1.0 MB | not written | — | — |
| U-Boot | 0x200000 | 0x300000 | 1.0 MB | dhboot.bin.img | — | 2022-08-05 |
| hwid | 0x300000 | 0x400000 | 1.0 MB | not written | — | — |
| updateflag | 0x400000 | 0x500000 | 1.0 MB | not written | — | — |
| partition(ro) | 0x500000 | 0x600000 | 1.0 MB | partition-x.cramfs.img | cramfs | 2022-08-05 |
| Kernel | 0x600000 | 0x1000000 | 10.0 MB | kernel.img | — | 2022-08-05 |
| romfs(ro) | 0x1000000 | 0x8000000 | 112.0 MB | romfs-x.squashfs.img | squashfs | 2022-08-05 |
| data(ro) | 0x8000000 | 0xd000000 | 80.0 MB | data-x.squashfs.img | squashfs | 2022-08-05 |
| dgs | 0xd000000 | 0xd800000 | 8.0 MB | not written | — | — |
| ext | 0xd800000 | 0xe000000 | 8.0 MB | not written | ext4 | — |
| web(ro) | 0xe000000 | 0x12000000 | 64.0 MB | web-x.squashfs.img | squashfs | 2022-08-05 |
| backpart(ro) | 0x12000000 | 0x12100000 | 1.0 MB | not written | — | — |
| backkernel(ro) | 0x12100000 | 0x12b00000 | 10.0 MB | not written | — | — |
| backromfs(ro) | 0x12b00000 | 0x19b00000 | 112.0 MB | not written | — | — |
| backdata(ro) | 0x19b00000 | 0x1eb00000 | 80.0 MB | not written | — | — |
| backcustom(ro) | 0x1eb00000 | 0x1f300000 | 8.0 MB | not written | — | — |
| backproduct(ro) | 0x1f300000 | 0x1fb00000 | 8.0 MB | not written | — | — |
| backweb(ro) | 0x1fb00000 | 0x23b00000 | 64.0 MB | not written | — | — |
| firmware(ro) | 0x23b00000 | 0x2d100000 | 150.0 MB | firmware.img | squashfs | 2022-08-05 |
| backfirmware(ro) | 0x2d100000 | 0x36700000 | 150.0 MB | not written | — | — |
| syslog | 0x36700000 | 0x37700000 | 16.0 MB | not written | ext4 | — |
| config | 0x37700000 | 0x39700000 | 32.0 MB | not written | ext4 | — |
| backup | 0x39700000 | 0x55900000 | 450.0 MB | not written | ext4 | — |
| appdata | 0x55900000 | 0x100000000558fffff | 17179869184.0 GB | not written | ext4 | — |
firmware.bin
- Architecture
- arm
- OEM build
- Dahua
- Image dates
- Aug 5, 2022
- Security
- Signed, encrypted
- Language & video
- English by default · 15 languages · PAL
Supported languages (15)
English, Polish, Romanian, Hungarian, Finnish, Dansk, Czechish, Bulgaria, Slovakian, Slovenia, Greek, Serbian, Lithuanian, Latvian, Hebrew
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 |
|---|---|---|---|---|---|---|
| firmware | 0x23b00000 | 0x2d100000 | 150.0 MB | firmware.img | — | 2022-08-05 |
web-x.squashfs.bin
- Architecture
- arm
- OEM build
- Dahua
- Image dates
- Aug 5, 2022
- Security
- Signed, encrypted, security baseline V2.2
- Language & video
- English by default · 15 languages · PAL
Supported languages (15)
English, Polish, Romanian, Hungarian, Finnish, Dansk, Czechish, Bulgaria, Slovakian, Slovenia, Greek, Serbian, Lithuanian, Latvian, Hebrew
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 | 0xe000000 | 0x12000000 | 64.0 MB | web-x.squashfs.img | squashfs | 2022-08-05 |
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 V2.2 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 22, 2025 · V4.600.0000000.5.R · 10 devices · Dahua
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Released Feb 4, 2023 · V4.600.0000000.1.R · 10 devices · Dahua
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- 1336368_DH_VTO75X95X_Eng_PN_SIP_V4.511.0000000.0.R.220718.zip
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