Firmware
DH_IPC-HX2XXX-AOV-Hugo_Eng_PN_V2.820.0000000.12.R.260520.zip
Dahua firmware released Jun 9, 2026. May work with 1 device, including IPC-HFW2449DGP-ZAS-PV-4G.
- Released
- Jun 9, 2026
- Version
- V2.820.0000000.12.R
- Size
- 51.4 MB
- Hardware
- 1 device
Download
Permanent copy on the Internet Archive (item page)
- MD5
d224078794e9d38b1ab0770fc36b85c4- SHA-256
5eb89e831f21a7d0d089458ea42b3e5f17564339958a95b85f141c670825f5b6- Changelog
- Release notes
Where it's published
Available from
Dahua
Dahua Download Center
CurrentV2.820.0000000.12.R · Listed date Jun 9, 2026
Compatible hardware
Hardware IDs this firmware's installer accepts (1 device).
Where these IDs come from
- hwid in DH_IPC-HX2XXX-AOV-Hugo_Eng_PN_V2.820.0000000.12.R.260520.bin: the device's own hardware check list, 1 ID
- Install in DH_IPC-HX2XXX-AOV-Hugo_Eng_PN_V2.820.0000000.12.R.260520.bin: the installer's device list (board families), 1 ID, vendor General (not counted: a more specific list exists)
- check.img in DH_IPC-HX2XXX-AOV-Hugo_Eng_PN_V2.820.0000000.12.R.260520.bin: the device's own hardware check list, 1 ID
Technical details
Read from inside the firmware (zip archive).
- Architecture
- arm
- OEM build
- General
- Kernel
- Linux 4.19.125
- Flash
- 254.0 MB
- Image dates
- May 20, 2026
- Security
- Signed, security baseline V2.4
- Language & video
- English by default · PAL
- Software version
- V2.820.0000000.12.R.260520
Flash layout: 18 partitions, 7 written by this firmware
From the firmware's partition table (partitionV2.txt).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| mini-Boot | 0x0 | 0x80000 | 512.0 KB | dhboot-min.bin.img | — | 2026-05-20 |
| dtb | 0x80000 | 0x100000 | 512.0 KB | dhdtb.bin.img | — | 2026-05-20 |
| riscv | 0x100000 | 0x400000 | 3.0 MB | riscv.bin.img | — | 2026-05-20 |
| U-Boot | 0x400000 | 0x500000 | 1.0 MB | not written | — | — |
| hwid | 0x500000 | 0x600000 | 1.0 MB | not written | — | — |
| updateflag | 0x600000 | 0x700000 | 1.0 MB | not written | — | — |
| Kernel | 0x700000 | 0xf00000 | 8.0 MB | kernel.img | — | 2026-05-20 |
| romfs | 0xf00000 | 0x4100000 | 50.0 MB | romfs-x.Ramdisk.img | rw | 2026-05-20 |
| user | 0x4100000 | 0x5100000 | 16.0 MB | user-x.squashfs.img | squashfs | 2026-05-20 |
| backriscv | 0x5100000 | 0x5400000 | 3.0 MB | not written | — | — |
| backKernel | 0x5500000 | 0x5d00000 | 8.0 MB | not written | — | — |
| backromfs | 0x5d00000 | 0x8f00000 | 50.0 MB | not written | rw | — |
| backuser | 0x8f00000 | 0x9f00000 | 16.0 MB | not written | r | — |
| syslog | 0x9f00000 | 0xa600000 | 7.0 MB | not written | rw | — |
| config | 0xa600000 | 0xad00000 | 7.0 MB | not written | rw | — |
| backup | 0xad00000 | 0xb400000 | 7.0 MB | not written | rw | — |
| firmware | 0xb400000 | 0xd900000 | 37.0 MB | firmware-x.squashfs.img | squashfs | 2026-05-20 |
| backfirmware | 0xd900000 | 0xfe00000 | 37.0 MB | not written | r | — |
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 V2.4 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_IPC-HX2XXX-AOV-Hugo_Eng_PN_V2.820.0000000.11.R.260414.zip
Released Apr 14, 2026 · V2.820.0000000.11.R · 1 device · Dahua