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Firmware

DH_VTHX421H_MultiLang_SIP_V4.400.0000000.7.R.20191209.bin

Cifra and Dahua firmware released Dec 9, 2019. May work with 7 devices, including VTH2421F, VTH2421F_R, VTH5221D-S.

Released
Dec 9, 2019
Version
V4.400.0000000.7.R
Size
15.4 MB
Hardware
7 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
7daf289970435beb3a1012d2fbe6916f
SHA-256
ebaf0a47b0e915ce79bc20a58544513fa471dcf3aad9e1e0a36d41d5039ea5ab

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
Bootloader
U-Boot 2011.09-rc1-svn4442
Flash
40.0 MB
Image dates
Dec 9, 2019
Security
Signed
Flash layout: 13 partitions, 12 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
boot00x00x40000256.0 KBboot0.bin.img—2019-12-09
boot0x400000x2800002.3 MBuboot.bin.img—2019-12-09
mbr0x2800000x2a0000128.0 KBmbr.img—2019-12-09
env0x2a00000x2c0000128.0 KBenv-x.cramfs.imgcramfs2019-12-09
updateflag0x2c00000x3c00001.0 MBnot written——
partition(ro)0x3c00000x4c00001.0 MBpartition-x.cramfs.imgcramfs2019-12-09
kernel0x4c00000x9c00005.0 MBkernel-x.cramfs.imgcramfs2019-12-09
romfs(ro)0x9c00000xec00005.0 MBromfs-x.cramfs.imgsquashfs2019-12-09
logo(ro)0xec00000xee0000128.0 KBlogo-x.cramfs.imgcramfs2019-12-09
web(ro)0xee00000x13e00005.0 MBweb-x.cramfs.imgcramfs2019-12-09
data(ro)0x13e00000x18e00005.0 MBdata-x.cramfs.imgcramfs2019-12-09
usr(ro)0x18e00000x27e000015.0 MBusr-x.cramfs.imgcramfs2019-12-09
pd(ro)0x27e00000x2800000128.0 KBpd-x.cramfs.imgcramfs2019-12-09

Other files for much of the same hardware, from any vendor.