Skip to content

Firmware

DH_IPC-WX-Web-Hertz2_EngRusSpn_PN_V2.800.0000000.21.R.240311.bin

Dahua firmware released Mar 11, 2024. May work with 20 devices, including IPC-B1A20-PV-V2, IPC-B1A20-W-B-V2, IPC-B1A20-WT-B-V2.

Released
Mar 11, 2024
Version
V2.800.0000000.21.R
Size
17.3 MB
Hardware
20 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
d7b68c56bfb10b0f917d08492f578c1f
SHA-256
f406dca749beba50f7d8ed1a01c91d32f47ef7b62e6f519719d6cc666c5b2a06

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-svn13159
Flash
16.0 MB
Image dates
Mar 11, 2024
Security
Signed, not encrypted, security baseline V2.3
Language & video
English by default · 3 languages · PAL
Supported languages (3)

English, Russian, Spanish

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—2024-03-11
hwid0xc00000xd000064.0 KBnot written——
partition(ro)0xd00000xe000064.0 KBpartition-x.cramfs.imgcramfs2024-03-11
Kernel0xe00000x2800001.6 MBkernel.img—2024-03-11
web(ro)0x2800000x7500004.8 MBkernel-aol.imgsquashfs2024-03-11
romfs(ro)0x7500000xef00007.6 MBromfs-x.squashfs.imgsquashfs2024-03-11
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.