Firmware
DH_IPC-HX5XXX-EMMC2-Volt_MultiLang_PN_Stream3_V2.840.0000000.30.R.250227.zip
Dahua firmware released Mar 28, 2025. May work with 26 devices, including IPC-MFW7442K1P-Z-0832-T40-0360B, IPC-MFW7442K1P-Z-0832-T40-SLV, IPC-MFW7442K1P-Z-0856-T40-0360B.
- Released
- Mar 28, 2025
- Version
- V2.840.0000000.30.R
- Size
- 651.2 MB
- Hardware
- 26 devices
Download
Permanent copy on the Internet Archive (item page)
- MD5
7bd51dd1babcfe59e41b4ced7400297a- SHA-256
2c7dfedc78eab0fba546a86ab86e8999374c4278287faa1f44f663e7bc74fa77- Changelog
- Release notes
Where it's published
Available from
Dahua
Dahua Download Center
CurrentV2.840.0000000.30.R · Listed date Mar 28, 2025
Compatible hardware
Hardware IDs this firmware's installer accepts (26 devices).
- IPC-MFW7442K1P-Z-0832-T40-0360B
- IPC-MFW7442K1P-Z-0832-T40-SLV
- IPC-MFW7442K1P-Z-0856-T40-0360B
- IPC-MFW7442K1P-Z-0856-T40-SLV
- IPC-MFW7842K1P-Z-0832-T20-0360B
- IPC-MFW7842K1P-Z-0832-T20-SLV
- IPC-MFW7842K1P-Z-0856-T20-0360B
- IPC-MFW7842K1P-Z-0856-T20-SLV
- IPC-MFW84249DK1-ZRL-0832-S3
- IPC-MFW84249DK1-ZRL-0832-SLV
- IPC-MFW84249K1-ZRL-X-0832-S3
- IPC-MFW84249K1-ZRL-X-0832-SLV
- IPC-MFW84249K1-ZRL-X-0856-S3
- IPC-MFW84249K1-ZRL-X-0856-SLV
- IPC-MFW84449K1-ZRL-X-0832-S3
- IPC-MFW84449K1-ZRL-X-0832-SLV
- IPC-MFW84449K1-ZRL-X-0856-S3
- IPC-MFW84449K1-ZRL-X-0856-SLV
- IPC-MFW88243DK1-ZRL-0832-S3
- IPC-MFW88243DK1-ZRL-0832-SLV
- IPC-MFW88243DK1-ZRL-0856-S3
- IPC-MFW88243DK1-ZRL-0856-SLV
- IPC-MFW88243K1-ZRL-X-0832-S3
- IPC-MFW88243K1-ZRL-X-0832-SLV
- IPC-MFW88243K1-ZRL-X-0856-S3
- IPC-MFW88243K1-ZRL-X-0856-SLV
Where these IDs come from
- hwid in DH_IPC-HX5XXX-EMMC2-Volt_MultiLang_PN_Stream3_V2.840.0000000.30.R.250227.bin: the device's own hardware check list, 26 IDs
- Install in DH_IPC-HX5XXX-EMMC2-Volt_MultiLang_PN_Stream3_V2.840.0000000.30.R.250227.bin: the installer's device list (board families), 1 ID, vendor Dahua (not counted: a more specific list exists)
- check.img in DH_IPC-HX5XXX-EMMC2-Volt_MultiLang_PN_Stream3_V2.840.0000000.30.R.250227.bin: the device's own hardware check list, 26 IDs
- check.img in firmware.bin: the device's own hardware check list, 26 IDs
- Install in firmware.bin: the installer's device list (board families), 1 ID, vendor Dahua (not counted: a more specific list exists)
Technical details
Read from inside the firmware (bundle of several firmwares). This file bundles 2 firmware images.
DH_IPC-HX5XXX-EMMC2-Volt_MultiLang_PN_Stream3_V2.840.0000000.30.R.250227.bin
- SoC
- HiSilicon Hi3516AV300
- Architecture
- arm
- OEM build
- Dahua
- Flash
- 17179869185.0 GB
- Image dates
- Feb 27, 2025
- Security
- Signed, encrypted, security baseline V2.3
- Language & video
- English by default · 23 languages · PAL
Supported languages (23)
English, TradChinese, Italian, Spanish, Japanese, Russian, French, German, Portugal, Turkey, Poland, Romanian, Hungarian, Korean, Czechish, Dutch, Ukrainian, Vietnamese, Arabic, SpanishEU, Hebrew, Thai, Indonesia
Flash layout: 16 partitions, 6 written by this firmware
From the firmware's partition table (partitionV2.txt).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| mini-Boot | 0x0 | 0x100000 | 1.0 MB | not written | — | — |
| U-Boot | 0x200000 | 0x300000 | 1.0 MB | dhboot.bin.img | — | 2025-02-27 |
| updateflag | 0x300000 | 0x400000 | 1.0 MB | not written | — | — |
| hwid | 0x400000 | 0x500000 | 1.0 MB | not written | — | — |
| dgs | 0x500000 | 0x600000 | 1.0 MB | not written | — | — |
| config | 0x600000 | 0x2600000 | 32.0 MB | not written | ext4 | — |
| backup | 0x2600000 | 0x4600000 | 32.0 MB | not written | ext4 | — |
| syslog | 0x4600000 | 0x5600000 | 16.0 MB | not written | ext4 | — |
| partition(ro) | 0x5600000 | 0x5700000 | 1.0 MB | partition-x.cramfs.img | cramfs | 2025-02-27 |
| Kernel | 0x5700000 | 0x6700000 | 16.0 MB | kernel.img | — | 2025-02-27 |
| romfs(ro) | 0x6700000 | 0x13700000 | 208.0 MB | romfs-x.squashfs.img | squashfs | 2025-02-27 |
| bakpart(ro) | 0x13700000 | 0x13800000 | 1.0 MB | partition-x-bak.cramfs.img | cramfs | 2025-02-27 |
| backkernel | 0x13800000 | 0x14800000 | 16.0 MB | not written | — | — |
| backromfs(ro) | 0x14800000 | 0x21800000 | 208.0 MB | not written | — | — |
| firmware | 0x21800000 | 0x41800000 | 512.0 MB | firmware-x.ext4.img | ext4 | 2025-02-27 |
| appdata | 0x41800000 | 0x100000000417fffff | 17179869184.0 GB | not written | ext4 | — |
firmware.bin
- Architecture
- arm
- OEM build
- Dahua
- Image dates
- Feb 27, 2025
- Security
- Signed, encrypted, security baseline V2.3
- Language & video
- English by default · 23 languages · PAL
Supported languages (23)
English, TradChinese, Italian, Spanish, Japanese, Russian, French, German, Portugal, Turkey, Poland, Romanian, Hungarian, Korean, Czechish, Dutch, Ukrainian, Vietnamese, Arabic, SpanishEU, Hebrew, Thai, Indonesia
Flash layout: 1 partition, 1 written by this firmware
From the image headers (only partitions this firmware writes).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| firmware | 0x21800000 | 0x41800000 | 512.0 MB | firmware-x.ext4.img | ext4 | 2025-02-27 |
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 V2.3 may refuse this file, and after installing it you may not be able to downgrade to firmware with a lower baseline.