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Firmware

DH_VTO3221E_MultiLang_PN_SIP_V4.400.0000000.3.R.20191019.bin

Global DS firmware released Oct 19, 2019. May work with 2 devices, including VTO3221E, VTO6221E.

Released
Oct 19, 2019
Version
V4.400.0000000.3.R
Size
16.8 MB
Hardware
2 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
d4e0ac82296339431e459034b5cd8691
SHA-256
000f1cfa19f92cf9cc46d639de57749b5a3b7b76b90c82c67cfd09f2dccfe9aa

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (2 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 2 IDs
  • Install: the installer's device list (board families), 7 IDs, vendor Dahua (not counted: a more specific list exists)
  • check.img: the device's own hardware check list, 2 IDs

Technical details

Read from inside the firmware (dahua package (zip variant)).

Architecture
arm
OEM build
Dahua
Flash
126.0 MB
Image dates
Oct 19, 2019
Security
Signed, security baseline V2.0
Language & video
English by default · 11 languages · PAL
Supported languages (11)

English, Italian, Spanish, Russian, French, Germany, Portuguese, Turkey, Polish, Dutch, Ukrainian

Flash layout: 14 partitions, 9 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2019-10-19
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2019-10-19
custom(ro)0x6000000x9800003.5 MBcustom-x.squashfs.imgsquashfs2019-10-19
product(ro)0x9800000xd000003.5 MBpd-x.squashfs.imgsquashfs2019-10-19
Kernel0xd000000x12000005.0 MBkernel.img—2019-10-19
romfs(ro)0x12000000x1a000008.0 MBromfs-x.squashfs.imgsquashfs2019-10-19
web(ro)0x1a000000x1e000004.0 MBweb-x.squashfs.imgsquashfs2019-10-19
data(ro)0x1e000000x22000004.0 MBdata-x.squashfs.imgsquashfs2019-10-19
user(ro)0x22000000x3b8000025.5 MBuser-x.squashfs.imgsquashfs2019-10-19
syslog0x72000000x76000004.0 MBnot writtenubi—
config0x76000000x7a000004.0 MBnot writtenyaffs2—
backup0x7a000000x7e000004.0 MBnot writtenyaffs2—

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 V2.0 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.