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Firmware

General_VTO2000A-C-2_Eng_P_32M_V4.000.9999000.0.R.20181224.zip

Dahua firmware released Mar 10, 2020. May work with 6 devices, including VTO2202A, VTO3221D, VTO6221.

Released
Mar 10, 2020
Version
V4.000.9999000.0.R
Size
88.4 MB
Hardware
6 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
c40f1a9caf7fb64bffc24c0bd11edc35
SHA-256
8bb8a39777e12333ee2db8476accbeee06bf5d3bfed338dde1b3c251edd45a52

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (6 devices).

Where these IDs come from
  • Install in data-x.squashfs.bin: the installer's device list (board families), 6 IDs, vendor General
  • Install in General_VTO2000A-C-2_Eng_P_32M_V4.000.0000000.3.R.20181224.bin: the installer's device list (board families), 6 IDs, vendor General

Technical details

Read from inside the firmware (bundle of several firmwares). This file bundles 3 firmware images.

Firmware image

SoC
HiSilicon: one of Hi3516, Hi3516A, Hi3516D
Architecture
arm
Kernel
Linux 3.4.35
Bootloader
U-Boot 2010.06-svn6134
Flash
126.0 MB
Image dates
Dec 24, 2018
Security
Signed
Language & video
English by default · PAL
Flash layout: 14 partitions, 9 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2018-12-24
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2018-12-24
custom(ro)0x6000000x9800003.5 MBcustom-x.squashfs.imgsquashfs2018-12-24
product(ro)0x9800000xd000003.5 MBpd-x.squashfs.imgsquashfs2018-12-24
Kernel0xd000000x12000005.0 MBkernel.img—2018-12-24
romfs(ro)0x12000000x1a000008.0 MBromfs-x.squashfs.imgsquashfs2018-12-24
web(ro)0x1a000000x1e000004.0 MBweb-x.squashfs.imgsquashfs2018-12-24
data(ro)0x1e000000x22000004.0 MBdata-x.squashfs.imgcramfs2018-12-24
user(ro)0x22000000x3b8000025.5 MBuser-x.squashfs.imgsquashfs2018-12-24
syslog0x72000000x76000004.0 MBnot writtenubi—
config0x76000000x7a000004.0 MBnot writtenubi—
backup0x7a000000x7e000004.0 MBnot writtenubi—

data-x.squashfs.bin

Architecture
arm
OEM build
General
Image dates
Dec 24, 2018
Security
Not signed, not 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.imgcramfs2018-12-24

General_VTO2000A-C-2_Eng_P_32M_V4.000.0000000.3.R.20181224.bin

SoC
HiSilicon: one of Hi3516, Hi3516A
Architecture
arm
OEM build
General
Kernel
Linux 3.4.35
Bootloader
U-Boot 2010.06-svn6134
Flash
126.0 MB
Image dates
Dec 24, 2018
Security
Signed, not encrypted
Language & video
English by default · PAL
Flash layout: 14 partitions, 9 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2018-12-24
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2018-12-24
custom(ro)0x6000000x9800003.5 MBcustom-x.squashfs.imgsquashfs2018-12-24
product(ro)0x9800000xd000003.5 MBpd-x.squashfs.imgsquashfs2018-12-24
Kernel0xd000000x12000005.0 MBkernel.img—2018-12-24
romfs(ro)0x12000000x1a000008.0 MBromfs-x.squashfs.imgsquashfs2018-12-24
web(ro)0x1a000000x1e000004.0 MBweb-x.squashfs.imgsquashfs2018-12-24
data(ro)0x1e000000x22000004.0 MBdata-x.squashfs.imgcramfs2018-12-24
user(ro)0x22000000x3b8000025.5 MBuser-x.squashfs.imgsquashfs2018-12-24
syslog0x72000000x76000004.0 MBnot writtenubi—
config0x76000000x7a000004.0 MBnot writtenubi—
backup0x7a000000x7e000004.0 MBnot writtenubi—

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