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Firmware

1336368_DH_VTO75X95X_Eng_PN_SIP_V4.511.0000000.0.R.220718.zip

Dahua firmware released Jan 4, 2023. May work with 10 devices, including VTO7521G-V1, VTO7531G-4G-V1, VTO7531G-V1.

Released
Jan 4, 2023
Version
V4.511.0000000.0.R
Size
224.1 MB
Hardware
10 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
88239e664c6e7776c88aca7a68999fba
SHA-256
bb8fb29f487da81c68753300f87d525c7e88c4d3e3db3b1f1763113ca3c37c53

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (10 devices).

Where these IDs come from
  • hwid in DH_VTO75X95X_Eng_PN_SIP_V4.511.0000000.0.R.220718.bin: the device's own hardware check list, 10 IDs
  • Install in DH_VTO75X95X_Eng_PN_SIP_V4.511.0000000.0.R.220718.bin: the installer's device list (board families), 10 IDs, vendor Dahua (not counted: a more specific list exists)
  • check.img in DH_VTO75X95X_Eng_PN_SIP_V4.511.0000000.0.R.220718.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_Eng_PN_SIP_V4.511.0000000.0.R.220718.bin

SoC
HiSilicon Hi3516DV300
Architecture
arm
OEM build
Dahua
Flash
17179869185.3 GB
Image dates
Jul 18, 2022
Security
Signed, encrypted
Language & video
English by default · PAL
Flash layout: 24 partitions, 7 written by this firmware

From the firmware's partition table (partitionV2.txt).

PartitionStartEndSizeImageFilesystemBuilt
mini-Boot0x00x1000001.0 MBnot written——
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2022-07-18
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2022-07-18
Kernel0x6000000x100000010.0 MBkernel.img—2022-07-18
romfs(ro)0x10000000x8000000112.0 MBromfs-x.squashfs.imgsquashfs2022-07-18
data(ro)0x80000000xd00000080.0 MBdata-x.squashfs.imgsquashfs2022-07-18
dgs0xd0000000xd8000008.0 MBnot written——
ext0xd8000000xe0000008.0 MBnot writtenext4—
web(ro)0xe0000000x1200000064.0 MBweb-x.squashfs.imgsquashfs2022-07-18
backpart(ro)0x120000000x121000001.0 MBnot written——
backkernel(ro)0x121000000x12b0000010.0 MBnot written——
backromfs(ro)0x12b000000x19b00000112.0 MBnot written——
backdata(ro)0x19b000000x1eb0000080.0 MBnot written——
backcustom(ro)0x1eb000000x1f3000008.0 MBnot written——
backproduct(ro)0x1f3000000x1fb000008.0 MBnot written——
backweb(ro)0x1fb000000x23b0000064.0 MBnot written——
firmware(ro)0x23b000000x2d100000150.0 MBfirmware.imgsquashfs2022-07-18
backfirmware(ro)0x2d1000000x36700000150.0 MBnot written——
syslog0x367000000x3770000016.0 MBnot writtenext4—
config0x377000000x3970000032.0 MBnot writtenext4—
backup0x397000000x55900000450.0 MBnot writtenext4—
appdata0x559000000x100000000558fffff17179869184.0 GBnot writtenext4—

firmware.bin

Architecture
arm
OEM build
Dahua
Image dates
Jul 18, 2022
Security
Signed, encrypted
Language & video
English by default · PAL
Flash layout: 1 partition, 1 written by this firmware

From the image headers (only partitions this firmware writes).

PartitionStartEndSizeImageFilesystemBuilt
firmware0x23b000000x2d100000150.0 MBfirmware.img—2022-07-18

web-x.squashfs.bin

Architecture
arm
OEM build
Dahua
Image dates
Jul 18, 2022
Security
Signed, encrypted, security baseline V2.1
Language & video
English by default · PAL
Flash layout: 1 partition, 1 written by this firmware

From the image headers (only partitions this firmware writes).

PartitionStartEndSizeImageFilesystemBuilt
web0xe0000000x1200000064.0 MBweb-x.squashfs.imgsquashfs2022-07-18

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 V2.1 may refuse this file, and after installing it you may not be able to downgrade to firmware with a lower baseline.

Other files for much of the same hardware, from any vendor.