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Firmware

DH_SD-Prometheus_MultiLang_NP_Stream3_V2.800.0000000.2.R.190420.bin

Dahua firmware released Apr 20, 2019. May work with 12 devices, including CA-HZ2025XA-A, CA-HZ2033XA-A, CA-HZ2037XA-A.

Released
Apr 20, 2019
Version
V2.800.0000000.2.R
Size
130.8 MB
Hardware
12 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
e4fc587b34b6de70db399b1e76b9163c
SHA-256
47de925b8c41cafbefc01fad8ef785b8f2339522b0bcaa2e342aeb695b342b1b

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (12 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 12 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, 12 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
Apr 20, 2019
Security
Signed, not encrypted, security baseline V2.0
Language & video
English by default · 14 languages · NTSC
Supported languages (14)

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

Flash layout: 16 partitions, 7 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2019-04-20
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2019-04-20
lens0x6000000x8000002.0 MBnot written——
Kernel0x8000000x180000016.0 MBkernel.img—2019-04-20
custom(ro)0x18000000x1c000004.0 MBcustom-x.squashfs.imgsquashfs2019-04-20
product(ro)0x1c000000x20000004.0 MBpd-x.squashfs.imgsquashfs2019-04-20
romfs(ro)0x20000000x16000000320.0 MBromfs-x.squashfs.imgsquashfs2019-04-20
web(ro)0x160000000x1800000032.0 MBweb-x.squashfs.imgsquashfs2019-04-20
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.