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Firmware

DH_SD-Prometheus_MultiLang_PN_Stream3-Radar_V2.812.0000056.2.R.251023.zip

Dahua firmware released Nov 20, 2025. May work with 15 devices, including PFR4K-B240, PFR4K-D150, PFR4K-D300.

Released
Nov 20, 2025
Version
V2.812.0000056.2.R
Size
84.6 MB
Hardware
15 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
029a73629684f104f91586285d7edd59
SHA-256
ecd0516361b4e53824a1a3490b604dbff583e35ab3ac04e02764fafd57850830
Changelog
Release notes

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (15 devices).

Where these IDs come from
  • hwid in DH_SD-Prometheus_MultiLang_PN_Stream3-Radar_V2.812.0000056.2.R.251023.bin: the device's own hardware check list, 15 IDs
  • Install in DH_SD-Prometheus_MultiLang_PN_Stream3-Radar_V2.812.0000056.2.R.251023.bin: the installer's device list (board families), 1 ID, vendor Dahua (not counted: a more specific list exists)
  • check.img in DH_SD-Prometheus_MultiLang_PN_Stream3-Radar_V2.812.0000056.2.R.251023.bin: the device's own hardware check list, 15 IDs

Technical details

Read from inside the firmware (zip archive).

Architecture
arm
OEM build
Dahua
Flash
3.5 GB
Image dates
Oct 23, 2025
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—2025-10-23
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2025-10-23
lens0x6000000x8000002.0 MBnot written——
Kernel0x8000000x180000016.0 MBkernel.img—2025-10-23
custom(ro)0x18000000x1c000004.0 MBcustom-x.squashfs.imgsquashfs2025-10-23
product(ro)0x1c000000x20000004.0 MBpd-x.squashfs.imgsquashfs2025-10-23
romfs(ro)0x20000000x16000000320.0 MBromfs-x.squashfs.imgsquashfs2025-10-23
web(ro)0x160000000x1800000032.0 MBweb-x.squashfs.imgsquashfs2025-10-23
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.