Firmware
DH_SD-Prometheus_MultiLang_PN_Stream3-DHOP_V2.812.0000032.2.R.220804.zip
Dahua firmware released Sep 3, 2022. May work with 8 devices, including CA-HZ2033XA-A-OP, CA-HZ4025XB-A-OP, CA-HZ4032XB-A-OP.
- Released
- Sep 3, 2022
- Version
- V2.812.0000032.2.R
- Size
- 91.5 MB
- Hardware
- 8 devices
Download
Permanent copy on the Internet Archive (item page)
- MD5
32d7ed7e959f9b51b0cc133667c807d1- SHA-256
7dd0d36e31963172fdb0a25f809141945659d30c8acff4327077ad29c9af95bf
Where it's published
Available from
Dahua
Dahua Download Center
No longer listedV2.812.0000032.2.R · Listed date Sep 3, 2022
Compatible hardware
Hardware IDs this firmware's installer accepts (8 devices).
- CA-HZ2033XA-A-OP
- CA-HZ4025XB-A-OP
- CA-HZ4032XB-A-OP
- CA-HZ4033XA-A-OP
- CA-HZ4040XA-A-OP
- CA-HZ4040XB-A-OP
- CA-HZ4045XA-A-OP
- PTZ-MT404XA-A-0832-OP
Where these IDs come from
- hwid in DH_SD-Prometheus_MultiLang_PN_Stream3-DHOP_V2.812.0000032.2.R.220804.bin: the device's own hardware check list, 8 IDs
- Install in DH_SD-Prometheus_MultiLang_PN_Stream3-DHOP_V2.812.0000032.2.R.220804.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-DHOP_V2.812.0000032.2.R.220804.bin: the device's own hardware check list, 8 IDs
Technical details
Read from inside the firmware (zip archive).
- Architecture
- arm
- OEM build
- Dahua
- Flash
- 3.5 GB
- Image dates
- Aug 4, 2022
- Security
- Signed, security baseline V2.2
- Language & video
- English by default · 23 languages · PAL
Supported languages (23)
English, Italian, Spanish, Russian, French, German, Portuguese, Polish, Korean, Czech, Dutch, Arabic, SpanishEU, Turkish, Ukrainian, Hebrew, Hungarian, Romanian, Thai, Indonesian, Vietnamese, TradChinese, Japanese
Flash layout: 20 partitions, 8 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 | — | 2022-08-04 |
| 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 | 2022-08-04 |
| lens | 0x600000 | 0x800000 | 2.0 MB | not written | — | — |
| Kernel | 0x800000 | 0x1800000 | 16.0 MB | kernel.img | — | 2022-08-04 |
| custom(ro) | 0x1800000 | 0x1c00000 | 4.0 MB | custom-x.squashfs.img | squashfs | 2022-08-04 |
| product(ro) | 0x1c00000 | 0x2000000 | 4.0 MB | pd-x.squashfs.img | squashfs | 2022-08-04 |
| romfs(ro) | 0x2000000 | 0x16000000 | 320.0 MB | romfs-x.squashfs.img | squashfs | 2022-08-04 |
| web(ro) | 0x16000000 | 0x18000000 | 32.0 MB | web-x.squashfs.img | squashfs | 2022-08-04 |
| coredump | 0x2f900000 | 0x3c100000 | 200.0 MB | not written | — | — |
| dgs | 0x3c100000 | 0x3c900000 | 8.0 MB | not written | — | — |
| itop | 0x3c900000 | 0x53900000 | 368.0 MB | itop-x.ext4.img | ext4 | 2022-08-04 |
| 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 V2.2 may refuse this file, and after installing it you may not be able to downgrade to firmware with a lower baseline.