Firmware
DH_SD-Prometheus_MultiLang_PN_Stream3-Radar_V2.810.0000001.0.R.200326.bin
Dahua firmware released Mar 26, 2020. May work with 5 devices, including PFR4K-D150, PFR4K-D300, PFR4K-D450.
- Released
- Mar 26, 2020
- Version
- V2.810.0000001.0.R
- Size
- 51.2 MB
- Hardware
- 5 devices
Download
Permanent copy on the Internet Archive (item page)
- MD5
9844c8b1d2e63e9fddd733b1f17d67e2- SHA-256
c53fa0586039485cc998a44abb4645bcc371949fe319a997306615c2aedfdb57
Where it's published
- Folder: Radary/DH-PFR4K-E50,DH-PFR4K-E120,DH-PFR4K-D300,DH-PFR4K-D450
V2.810.0000001.0.R · Listed date Mar 26, 2020
Compatible hardware
Hardware IDs this firmware's installer accepts (5 devices).
Where these IDs come from
- hwid: the device's own hardware check list, 5 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, 5 IDs
Technical details
Read from inside the firmware (dahua package (zip variant)).
- Architecture
- arm
- OEM build
- Dahua
- Flash
- 3.5 GB
- Image dates
- Mar 26, 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).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| U-Boot | 0x200000 | 0x300000 | 1.0 MB | dhboot.bin.img | — | 2020-03-26 |
| hwid | 0x300000 | 0x400000 | 1.0 MB | not written | — | — |
| updateflag | 0x400000 | 0x500000 | 1.0 MB | not written | — | — |
| partition(ro) | 0x500000 | 0x600000 | 1.0 MB | partition-x.cramfs.img | cramfs | 2020-03-26 |
| lens | 0x600000 | 0x800000 | 2.0 MB | not written | — | — |
| Kernel | 0x800000 | 0x1800000 | 16.0 MB | kernel.img | — | 2020-03-26 |
| custom(ro) | 0x1800000 | 0x1c00000 | 4.0 MB | custom-x.squashfs.img | squashfs | 2020-03-26 |
| product(ro) | 0x1c00000 | 0x2000000 | 4.0 MB | pd-x.squashfs.img | squashfs | 2020-03-26 |
| romfs(ro) | 0x2000000 | 0x16000000 | 320.0 MB | romfs-x.squashfs.img | squashfs | 2020-03-26 |
| web(ro) | 0x16000000 | 0x18000000 | 32.0 MB | web-x.squashfs.img | squashfs | 2020-03-26 |
| coredump | 0x2f900000 | 0x3c100000 | 200.0 MB | not written | — | — |
| dgs | 0x3c100000 | 0x3c900000 | 8.0 MB | not written | — | — |
| model | 0x3c900000 | 0x53900000 | 368.0 MB | not written | — | — |
| reserve | 0x53900000 | 0x55900000 | 32.0 MB | not written | — | — |
| ext | 0x56000000 | 0x5c000000 | 96.0 MB | not written | — | — |
| devconfig | 0x5c000000 | 0x5d000000 | 16.0 MB | not written | — | — |
| syslog | 0x5d000000 | 0x5e000000 | 16.0 MB | not written | — | — |
| config | 0x5e000000 | 0x5f000000 | 16.0 MB | not written | — | — |
| backup | 0x5f000000 | 0x60000000 | 16.0 MB | not written | — | — |
| appdata | 0x60000000 | 0xe0000000 | 2.0 GB | not 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.
Related firmware
Other files for much of the same hardware, from any vendor.
- DH_SD-Prometheus_MultiLang_PN_Stream3-Radar_V2.812.0000056.2.R.251023.zip
Released Nov 20, 2025 · V2.812.0000056.2.R · 15 devices · Dahua
- DH_SD-Prometheus_MultiLang_PN_Stream3-Radar_V2.812.0000019.0.R.211107.zip
Released Jan 6, 2022 · V2.812.0000019.0.R · 11 devices · Dahua