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Firmware

General_VTO2202F_MultiLang_PN_SIP_V4.400.0000000.2.R.20190919.bin

Dahua firmware released Sep 19, 2019. May work with 1 device, including VTO2202F.

Released
Sep 19, 2019
Version
V4.400.0000000.2.R
Size
20.6 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
20e978a50a3a2b51836ace51bad42ee5
SHA-256
ec5a8b3ec75a6e31e39945c8129b2370394a437e676fc8b50bb53e9aaf85ca5b

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (1 device).

Where these IDs come from
  • hwid: the device's own hardware check list, 1 ID
  • Install: the installer's device list (board families), 3 IDs, vendor General (not counted: a more specific list exists)
  • check.img: the device's own hardware check list, 1 ID

Technical details

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

SoC
HiSilicon Hi3516CV500
Architecture
arm
OEM build
General
Flash
75.0 MB
Image dates
Sep 19, 2019
Security
Signed, encrypted, 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: 12 partitions, 6 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
mini-Boot0x00x1000001.0 MBnot written——
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2019-09-19
updateflag0x3000000x4000001.0 MBnot written——
hwid0x4000000x480000512.0 KBnot written——
config0x4800000xa800006.0 MBnot writtenubi—
backup0xa800000x10800006.0 MBnot writtenubi—
syslog0x10800000x16800006.0 MBnot writtenubi—
partition(ro)0x16800000x1700000512.0 KBpartition-x.cramfs.imgcramfs2019-09-19
data(ro)0x17000000x1f000008.0 MBdata-x.squashfs.imgsquashfs2019-09-19
Kernel0x1f000000x23000004.0 MBkernel.img—2019-09-19
web(ro)0x23000000x29000006.0 MBweb-x.squashfs.imgsquashfs2019-09-19
romfs(ro)0x29000000x4b0000034.0 MBromfs-x.squashfs.imgsquashfs2019-09-19

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.