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Firmware

DH_VTO3211D_MultiLang_PN_SIP_V4.400.0000000.3.R.20191019.bin

Viatec firmware released Oct 19, 2019. May work with 7 devices, including VTO3221D, VTO3221E, VTO6221.

Released
Oct 19, 2019
Version
V4.400.0000000.3.R
Size
17.0 MB
Hardware
7 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
20943d905708049d738c7ea27304a358
SHA-256
ffa87b4532ef250abf6f05f49044bd2f0c22563bb04fd5385915f6938132cac1

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (7 devices).

Where these IDs come from
  • Install: the installer's device list (board families), 7 IDs, vendor Dahua

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 writtenubi—
backup0x7a000000x7e000004.0 MBnot writtenubi—

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.