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Firmware

DH_SD-Prometheus_MultiLang_NP_Stream3_V2.800.0000002.3.R.191121.bin

Dahua firmware released Nov 21, 2019. May work with 28 devices, including CA-HZ2023XA-A, CA-HZ2023XA-B, CA-HZ2025XA-A.

Released
Nov 21, 2019
Version
V2.800.0000002.3.R
Size
108.2 MB
Hardware
28 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
fba08076f9213882c17189336e46500d
SHA-256
f1ea9c3d0f7617835049bf6cbce00827636dcbd2294c60d844102676e62c99c9

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (28 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 28 IDs
  • Install: the installer's device list (board families), 1 ID, vendor Dahua (not counted: a more specific list exists)
  • check.img: the device's own hardware check list, 28 IDs

Technical details

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

Architecture
arm
OEM build
Dahua
Kernel
Linux 4.9.37
Flash
3.5 GB
Image dates
Nov 21, 2019
Security
Signed, not encrypted, security baseline V2.0
Language & video
English by default · 13 languages · NTSC
Supported languages (13)

English, Italian, Spanish, Russian, French, German, Portuguese, Polish, Korean, Czech, Dutch, Arabic, SpanishEU

Flash layout: 19 partitions, 7 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2019-11-21
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2019-11-21
lens0x6000000x8000002.0 MBnot written——
Kernel0x8000000x180000016.0 MBkernel.img—2019-11-21
custom(ro)0x18000000x1c000004.0 MBcustom-x.squashfs.imgsquashfs2019-11-21
product(ro)0x1c000000x20000004.0 MBpd-x.squashfs.imgsquashfs2019-11-21
romfs(ro)0x20000000x16000000320.0 MBromfs-x.squashfs.imgsquashfs2019-11-21
web(ro)0x160000000x1800000032.0 MBweb-x.squashfs.imgsquashfs2019-11-21
coredump0x2f9000000x3c100000200.0 MBnot written——
dgs0x3c1000000x3c9000008.0 MBnot written——
reserve0x3c9000000x929000001.3 GBnot written——
ext0x560000000x5c00000096.0 MBnot written——
roconfig0x5c0000000x5d00000016.0 MBnot written——
syslog0x5d0000000x5e00000016.0 MBnot written——
config0x5e0000000x5f00000016.0 MBnot written——
backup0x5f0000000x6000000016.0 MBnot written——
appdata0x600000000xe00000002.0 GBnot written——

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.