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Firmware

DH_IPC-HX2(1)XXX-Sag_EngSpnFrn_PN_V2.800.0000000.7.R.210708.bin

Dahua firmware released Jul 8, 2021. May work with 7 devices, including IPC-HDBW1831R, IPC-HDBW1831R-S, IPC-HDBW2831R-ZAS-3711.

Released
Jul 8, 2021
Version
V2.800.0000000.7.R
Size
35.7 MB
Hardware
7 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
1e3c04af7f72098372b9d96f15cf3c1d
SHA-256
0d414f3f28ce30ed6a2a08af71af34bfcaf0ffc09f9d6a93c474f189b39263e4

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (7 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 7 IDs
  • Install: the installer's device list (board families), 1 ID, vendor Dahua (not counted: a more specific list exists)
  • check.img: the device's own hardware check list, 7 IDs

Technical details

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

Architecture
arm
OEM build
Dahua
Kernel
Linux 3.0.8+
Bootloader
U-Boot 2010.06-svn8031
Flash
127.0 MB
Image dates
Jul 8, 2021
Security
Signed
Language & video
English by default · 3 languages · PAL
Supported languages (3)

English, Spanish, French

Flash layout: 25 partitions, 11 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
mini-Boot0x00x1000001.0 MBdhboot-min.bin.img—2021-07-08
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2021-07-08
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2021-07-08
custom(ro)0x6000000x7000001.0 MBcustom-x.squashfs.imgsquashfs2021-07-08
product(ro)0x7000000x8000001.0 MBpd-x.squashfs.imgsquashfs2021-07-08
Kernel0x8000000xa800002.5 MBkernel.img—2021-07-08
romfs(ro)0xa800000xc000001.5 MBromfs-x.squashfs.imgsquashfs2021-07-08
web(ro)0xc000000x14000008.0 MBweb-x.squashfs.imgsquashfs2021-07-08
user(ro)0x14000000x210000013.0 MBuser-x.squashfs.imgsquashfs2021-07-08
Kernelslv(ro)0x21000000x23800002.5 MBkernelslv.img—2021-07-08
romfsslv(ro)0x23800000x3c0000024.5 MBromfsslv-x.squashfs.imgsquashfs2021-07-08
backpart0x3c000000x3d000001.0 MBnot written——
backcustom0x3d000000x3e000001.0 MBnot written——
backproduct0x3e000000x3f000001.0 MBnot written——
backkernel0x3f000000x41800002.5 MBnot written——
backromfs0x41800000x43000001.5 MBnot written——
backweb0x43000000x4b000008.0 MBnot written——
backuser0x4b000000x580000013.0 MBnot written——
backKernelslv0x58000000x5a800002.5 MBnot written——
backromfsslv0x5a800000x730000024.5 MBnot written——
syslog0x73000000x77000004.0 MBnot writtenubi—
config0x77000000x7b000004.0 MBnot writtenubi—
backup0x7b000000x7f000004.0 MBnot writtenubi—

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