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Firmware

DH_VTO3211D_MultiLang_PN_SIP_V4.400.0000001.0.R.20210722.zip

ip-phone-forum.de firmware released Jul 22, 2021. May work with 7 devices, including VTO3221D, VTO3221E, VTO6221.

Released
Jul 22, 2021
Version
V4.400.0000001.0.R
Size
19.2 MB
Hardware
7 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
82ad503a888b52d14ae8b178fae39bf5
SHA-256
7c5345b3f2dc79b43553d14acf6e5afac594665e498429b240bfffa0a1f15182

Where it's published

Compatible hardware

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

Where these IDs come from
  • Install in data-x.squashfs.bin: the installer's device list (board families), 7 IDs, vendor Dahua
  • Install in DH_VTO3211D_MultiLang_PN_SIP_V4.400.0000001.0.R.20210722.bin: the installer's device list (board families), 7 IDs, vendor Dahua

Technical details

Read from inside the firmware (bundle of several firmwares). This file bundles 2 firmware images.

data-x.squashfs.bin

Architecture
arm
OEM build
Dahua
Image dates
Jul 22, 2021
Security
Not signed, encrypted
Flash layout: 1 partition, 1 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
data0x1e000000x22000004.0 MBdata-x.squashfs.imgsquashfs2021-07-22

DH_VTO3211D_MultiLang_PN_SIP_V4.400.0000001.0.R.20210722.bin

Architecture
arm
OEM build
Dahua
Flash
126.0 MB
Image dates
Jul 22, 2021
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—2021-07-22
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2021-07-22
custom(ro)0x6000000x9800003.5 MBcustom-x.squashfs.imgsquashfs2021-07-22
product(ro)0x9800000xd000003.5 MBpd-x.squashfs.imgsquashfs2021-07-22
Kernel0xd000000x12000005.0 MBkernel.img—2021-07-22
romfs(ro)0x12000000x1a000008.0 MBromfs-x.squashfs.imgsquashfs2021-07-22
web(ro)0x1a000000x1e000004.0 MBweb-x.squashfs.imgsquashfs2021-07-22
data(ro)0x1e000000x22000004.0 MBdata-x.squashfs.imgsquashfs2021-07-22
user(ro)0x22000000x3b8000025.5 MBuser-x.squashfs.imgsquashfs2021-07-22
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.