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Firmware

DH_VTO75XXX_Eng_P_SIP_V1.000.0000003.0.R.210716.zip

Dahua firmware released Jul 24, 2021. May work with 4 devices, including VTO7521G, VTO7531G, VTO7541G.

Released
Jul 24, 2021
Version
V1.000.0000003.0.R
Size
275.0 MB
Hardware
4 devices

Download

Download truncated file

From material.dahuasecurity.com

MD5
847fad5c49045a6470c919aa0bf3ef2f
SHA-256
76dc2b71822ddba103f443ca4c156ec549ed051f81a4d0df0b6c339efc0f8f39

The vendor published a different MD5 for this file. It was kept because two separate downloads were identical, and it passed the integrity check; vendors occasionally publish wrong checksums.

Changelog
Release notes

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (4 devices).

Where these IDs come from
  • hwid in DH_VTO75XXX_Eng_P_SIP_V1.000.0000003.0.R.210716.bin: the device's own hardware check list, 4 IDs
  • Install in DH_VTO75XXX_Eng_P_SIP_V1.000.0000003.0.R.210716.bin: the installer's device list (board families), 4 IDs, vendor General (not counted: a more specific list exists)
  • check.img in DH_VTO75XXX_Eng_P_SIP_V1.000.0000003.0.R.210716.bin: the device's own hardware check list, 4 IDs

Technical details

Read from inside the firmware (zip archive).

SoC
HiSilicon Hi3519AV100
Architecture
arm
OEM build
General
Flash
3.6 GB
Image dates
Jul 16, 2021
Security
Signed
Language & video
English by default · PAL
Flash layout: 26 partitions, 9 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
mini-Boot0x00x1000001.0 MBdhboot-min.bin.img—2021-07-16
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2021-07-16
hwid0x3000000x4000001.0 MBnot written——
dgs0x4000000x5000001.0 MBnot written——
config0x5000000x250000032.0 MBnot writtenext4—
backup0x25000000x450000032.0 MBnot writtenext4—
syslog0x45000000x550000016.0 MBnot writtenext4—
updateflag0x55000000x56000001.0 MBnot written——
partition(ro)0x56000000x57000001.0 MBpartition-x.cramfs.imgcramfs2021-07-16
product(ro)0x57000000x670000016.0 MBpd-x.squashfs.imgsquashfs2021-07-16
Kernel0x67000000x770000016.0 MBkernel.img—2021-07-16
romfs(ro)0x77000000xf700000128.0 MBromfs-x.squashfs.imgsquashfs2021-07-16
web(ro)0xf7000000x1270000048.0 MBweb-x.squashfs.imgsquashfs2021-07-16
aewb(ro)0x127000000x1370000016.0 MBnot writtensquashfs—
data(ro)0x137000000x1570000032.0 MBdata-x.squashfs.imgsquashfs2021-07-16
backpart(ro)0x157000000x158000001.0 MBnot written——
backproduct(ro)0x158000000x1680000016.0 MBnot written——
backkernel0x168000000x1780000016.0 MBnot written——
backromfs(ro)0x178000000x1f800000128.0 MBnot written——
backweb(ro)0x1f8000000x2280000048.0 MBnot written——
backaewb(ro)0x228000000x2380000016.0 MBnot written——
backdata(ro)0x238000000x2580000032.0 MBnot written——
firmware(ro)0x258000000x32000000200.0 MBfirmware-x.squashfs.imgsquashfs2021-07-16
backfirmware(ro)0x320000000x3e800000200.0 MBnot written——
ext0x3e8000000x46800000128.0 MBnot writtenext4—
appdata0x468000000xe8b000002.5 GBnot writtenext4—

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