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Firmware

DH_IPC-WX-Web-Hertz2_EngSpnRus_NP_V2.800.0000000.18.R.230904.bin

Dahua firmware released Sep 4, 2023. May work with 20 devices, including IPC-B1A20-PV-V2, IPC-B1A20-W-B-V2, IPC-B1A20-WT-B-V2.

Released
Sep 4, 2023
Version
V2.800.0000000.18.R
Size
17.1 MB
Hardware
20 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
7bf7e5d190ea5bcfaea2b676f11d2afd
SHA-256
b8e1b715fb0edf21571877ef157b1080bdc34207f5b7b772115b6d8260de9491

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (20 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 20 IDs
  • Install: the installer's device list (board families), 1 ID, vendor General (not counted: a more specific list exists)
  • check.img: the device's own hardware check list, 20 IDs

Technical details

Read from inside the firmware (dahua package (zip variant)).

SoC
SigmaStar SSC335
Architecture
arm
OEM build
General
Kernel
Linux 4.9.84
Bootloader
U-Boot 2010.06-svn12287
Flash
16.0 MB
Image dates
Sep 4, 2023
Security
Signed, not encrypted, security baseline V2.3
Language & video
English by default · 3 languages · NTSC
Supported languages (3)

English, Spanish, Russian

Flash layout: 11 partitions, 5 written by this firmware

From the firmware's partition table (partitionV2.txt).

PartitionStartEndSizeImageFilesystemBuilt
mini-Boot0x00x40000256.0 KBnot written——
U-Boot0x800000xc0000256.0 KBdhboot.bin.img—2023-09-04
hwid0xc00000xd000064.0 KBnot written——
partition(ro)0xd00000xe000064.0 KBpartition-x.cramfs.imgcramfs2023-09-04
Kernel0xe00000x2800001.6 MBkernel.img—2023-09-04
web(ro)0x2800000x7500004.8 MBkernel-aol.imgsquashfs2023-09-04
romfs(ro)0x7500000xef00007.6 MBromfs-x.squashfs.imgsquashfs2023-09-04
config0xef00000xf50000384.0 KBnot writtenjffs2—
backup0xf500000xfa0000320.0 KBnot writtenjffs2—
appdata0xfa00000xff0000320.0 KBnot written——
updateflag0xff00000x100000064.0 KBnot 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 V2.3 may refuse this file, and after installing it you may not be able to downgrade to firmware with a lower baseline.

Other files for much of the same hardware, from any vendor.