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Firmware

DH_SD-Prometheus_MultiLang_PN_Stream3_V2.810.0000002.1.R.200630.bin

Dahua firmware released Jun 30, 2020. May work with 41 devices, including CA-HZ2023XA-A, CA-HZ2023XA-B, CA-HZ2025XA-A.

Released
Jun 30, 2020
Version
V2.810.0000002.1.R
Size
148.8 MB
Hardware
41 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
57f8f7ac39df499814f77863de876b97
SHA-256
30458ce3868a675dddb09d3191859477e25d42e0b9224c4948f343423ff6b3c0

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (41 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 41 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, 41 IDs

Technical details

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

Architecture
arm
OEM build
Dahua
Flash
3.5 GB
Image dates
Jun 30, 2020
Security
Signed, encrypted, security baseline V2.1
Language & video
English by default · 13 languages · PAL
Supported languages (13)

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

Flash layout: 20 partitions, 7 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2020-06-30
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2020-06-30
lens0x6000000x8000002.0 MBnot written——
Kernel0x8000000x180000016.0 MBkernel.img—2020-06-30
custom(ro)0x18000000x1c000004.0 MBcustom-x.squashfs.imgsquashfs2020-06-30
product(ro)0x1c000000x20000004.0 MBpd-x.squashfs.imgsquashfs2020-06-30
romfs(ro)0x20000000x16000000320.0 MBromfs-x.squashfs.imgsquashfs2020-06-30
web(ro)0x160000000x1800000032.0 MBweb-x.squashfs.imgsquashfs2020-06-30
coredump0x2f9000000x3c100000200.0 MBnot written——
dgs0x3c1000000x3c9000008.0 MBnot written——
model0x3c9000000x53900000368.0 MBnot written——
reserve0x539000000x5590000032.0 MBnot written——
ext0x560000000x5c00000096.0 MBnot written——
devconfig0x5c0000000x5d00000016.0 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 V2.1 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.