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Firmware

General_SD-Prometheus_MultiLang_PN_Stream3_V2.812.0000047.0.R.230227.bin

Dahua firmware released Feb 27, 2023. May work with 65 devices, including CA-HZ2023XA-A, CA-HZ2023XA-B, CA-HZ2023XA2-A.

Released
Feb 27, 2023
Version
V2.812.0000047.0.R
Size
207.3 MB
Hardware
65 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
cefd85cb796fb901d465f8eb46beca63
SHA-256
a81c4a2025ad8993b1892fc4a74f1a79c0ae5cc00af503be51b25f7171cfb70f

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (65 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 65 IDs
  • Install: the installer's device list (board families), 1 ID, vendor General (not counted: a more specific list exists)
  • check.img: the device's own hardware check list, 65 IDs

Technical details

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

Architecture
arm
OEM build
General
Flash
3.5 GB
Image dates
Feb 27, 2023
Security
Signed, encrypted, security baseline V2.2
Language & video
English by default · 23 languages · PAL
Supported languages (23)

English, Italian, Spanish, Russian, French, German, Portugal, Poland, Korean, Czechish, Dutch, Arabic, SpanishEU, Turkey, Ukrainian, Hebrew, Hungarian, Romanian, Thai, Indonesia, Vietnamese, TradChinese, Japanese

Flash layout: 20 partitions, 7 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2023-02-27
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2023-02-27
lens0x6000000x8000002.0 MBnot written——
Kernel0x8000000x180000016.0 MBkernel.img—2023-02-27
custom(ro)0x18000000x1c000004.0 MBcustom-x.squashfs.imgsquashfs2023-02-27
product(ro)0x1c000000x20000004.0 MBpd-x.squashfs.imgsquashfs2023-02-27
romfs(ro)0x20000000x16000000320.0 MBromfs-x.squashfs.imgsquashfs2023-02-27
web(ro)0x160000000x1800000032.0 MBweb-x.squashfs.imgsquashfs2023-02-27
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 V2.2 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.