Firmware
DH_IPC-HUM7XXX-E2-Volt_MultiLang_PN_V2.840.0000000.30.R.250227.zip
Dahua firmware released Mar 19, 2025. May work with 4 devices, including IPC-HUM7243-RL-E2, IPC-HUM7443-RL-E2, IPC-HUM8241P-E2.
- Released
- Mar 19, 2025
- Version
- V2.840.0000000.30.R
- Size
- 93.2 MB
- Hardware
- 4 devices
Download
Permanent copy on the Internet Archive (item page)
- MD5
d71fce9e81af6fc8cb8649c0fea22d10- SHA-256
71d0c0a73fc52d7a894bd5cbe13c1627f556c67bb22bc03a04493c588f300fc3- Changelog
- Release notes
Where it's published
Available from
Dahua
Dahua Download Center
CurrentSold as
V2.840.0000000.30.R · Listed date Mar 19, 2025
Compatible hardware
Hardware IDs this firmware's installer accepts (4 devices).
Where these IDs come from
- hwid in DH_IPC-HUM7XXX-E2-Volt_MultiLang_PN_V2.840.0000000.30.R.250227.bin: the device's own hardware check list, 4 IDs
- Install in DH_IPC-HUM7XXX-E2-Volt_MultiLang_PN_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-HUM7XXX-E2-Volt_MultiLang_PN_V2.840.0000000.30.R.250227.bin: the device's own hardware check list, 4 IDs
- check.img in firmware.bin: the device's own hardware check list, 4 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-HUM7XXX-E2-Volt_MultiLang_PN_V2.840.0000000.30.R.250227.bin
- SoC
- HiSilicon Hi3516CV500
- Architecture
- arm
- OEM build
- Dahua
- Flash
- 128.0 MB
- 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, 8 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 | 0x480000 | 512.0 KB | not written | — | — |
| config | 0x480000 | 0xa80000 | 6.0 MB | not written | ubi | — |
| backup | 0xa80000 | 0x1080000 | 6.0 MB | not written | ubi | — |
| syslog | 0x1080000 | 0x1680000 | 6.0 MB | not written | ubi | — |
| partition(ro) | 0x1680000 | 0x1700000 | 512.0 KB | partition-x.cramfs.img | cramfs | 2025-02-27 |
| dgs | 0x1700000 | 0x1800000 | 1.0 MB | not written | — | — |
| kernel_min | 0x1800000 | 0x1a00000 | 2.0 MB | kernel_min.img | — | 2025-02-27 |
| romfs_min(ro) | 0x1a00000 | 0x1e80000 | 4.5 MB | romfs_min-x.squashfs.img | squashfs | 2025-02-27 |
| bakpart(ro) | 0x1e80000 | 0x1f00000 | 512.0 KB | partition-x-bak.cramfs.img | cramfs | 2025-02-27 |
| appdata | 0x1f00000 | 0x2500000 | 6.0 MB | not written | ubi | — |
| Kernel | 0x2500000 | 0x2900000 | 4.0 MB | kernel.img | — | 2025-02-27 |
| romfs(ro) | 0x2900000 | 0x5200000 | 41.0 MB | romfs-x.squashfs.img | squashfs | 2025-02-27 |
| firmware(ro) | 0x5200000 | 0x8000000 | 46.0 MB | firmware-x.squashfs.img | squashfs | 2025-02-27 |
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 | 0x5200000 | 0x8000000 | 46.0 MB | firmware-x.squashfs.img | squashfs | 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.