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Firmware

DH_VTO3221E_MultiLang_PN_SIP_V4.500.0000000.5.R.201026.bin

Viatec firmware released Oct 26, 2020. May work with 2 devices, including VTO3221E, VTO6221E.

Released
Oct 26, 2020
Version
V4.500.0000000.5.R
Size
20.9 MB
Hardware
2 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
a5c88eae86de15ff52b3a0b8fd11a78e
SHA-256
3ebd3298bf9f8f2404662c3068c3269be174bd03c60854f25a63f48bb6644261

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 26, 2020
Security
Signed, security baseline V2.1
Language & video
English by default · 15 languages · PAL
Supported languages (15)

English, Italian, Spanish, Russian, French, Germany, Portuguese, Turkey, Polish, Dutch, Ukrainian, Arabic, Vietnamese, SpanishEU, PortugalBR

Flash layout: 14 partitions, 9 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2020-10-26
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2020-10-26
custom(ro)0x6000000x9800003.5 MBcustom-x.squashfs.imgsquashfs2020-10-26
product(ro)0x9800000xd000003.5 MBpd-x.squashfs.imgsquashfs2020-10-26
Kernel0xd000000x12000005.0 MBkernel.img—2020-10-26
romfs(ro)0x12000000x1a000008.0 MBromfs-x.squashfs.imgsquashfs2020-10-26
web(ro)0x1a000000x1e000004.0 MBweb-x.squashfs.imgsquashfs2020-10-26
data(ro)0x1e000000x22000004.0 MBdata-x.squashfs.imgsquashfs2020-10-26
user(ro)0x22000000x3b8000025.5 MBuser-x.squashfs.imgsquashfs2020-10-26
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 V2.1 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.