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Firmware

Customer_VTO3211D_EngCze_PN_SIP_V4.400.1501000.0.R.20220322.bin

ASM firmware released Mar 22, 2022. May work with 7 devices, including VTO3221D, VTO3221E, VTO6221.

Released
Mar 22, 2022
Version
V4.400.1501000.0.R
Size
15.7 MB
Hardware
7 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
a17765c152e5bad6f7aa6535b21d5fe5
SHA-256
082c9a9e3af63f517871850f83d2f9c8a9f4d71e76c84e5c8873812f4d4dd995

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 General

Technical details

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

Architecture
arm
OEM build
General
Flash
126.0 MB
Image dates
Mar 22, 2022
Security
Signed, security baseline V2.0
Language & video
English by default · 2 languages · PAL
Supported languages (2)

English, Czech

Flash layout: 14 partitions, 9 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2022-03-22
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2022-03-22
custom(ro)0x6000000x9800003.5 MBcustom-x.squashfs.imgsquashfs2022-03-22
product(ro)0x9800000xd000003.5 MBpd-x.squashfs.imgsquashfs2022-03-22
Kernel0xd000000x12000005.0 MBkernel.img—2022-03-22
romfs(ro)0x12000000x1a000008.0 MBromfs-x.squashfs.imgsquashfs2022-03-22
web(ro)0x1a000000x1e000004.0 MBweb-x.squashfs.imgsquashfs2022-03-22
data(ro)0x1e000000x22000004.0 MBdata-x.squashfs.imgsquashfs2022-03-22
user(ro)0x22000000x3b8000025.5 MBuser-x.squashfs.imgsquashfs2022-03-22
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.