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Firmware

DH_IPC-HX2(1)XXX-Sag_EngSpnFrn_PN_V2.622.0000000.23.R.191101.bin

Viatec and Cifra firmware released Nov 1, 2019. May work with 7 devices, including IPC-HDBW1831R, IPC-HDBW1831R-S, IPC-HDBW2831R-ZAS-3711.

Released
Nov 1, 2019
Version
V2.622.0000000.23.R
Size
32.5 MB
Hardware
7 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
f62c0ac04419c410b7f743d973607ace
SHA-256
e31fd9533d3a91b0e4f035187f60ece7c1ea51b4c3b8635f8806e1cbe3e284dd

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 General (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
General
Kernel
Linux 3.0.8+
Bootloader
U-Boot 2010.06-svn6567
Flash
127.0 MB
Image dates
Nov 1, 2019
Security
Signed
Language & video
English by default · 3 languages · PAL
Supported languages (3)

English, Spanish, French

Flash layout: 24 partitions, 10 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2019-11-01
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2019-11-01
custom(ro)0x6000000x7000001.0 MBcustom-x.squashfs.imgsquashfs2019-11-01
product(ro)0x7000000x8000001.0 MBpd-x.squashfs.imgsquashfs2019-11-01
Kernel0x8000000xa800002.5 MBkernel.img—2019-11-01
romfs(ro)0xa800000xc000001.5 MBromfs-x.squashfs.imgsquashfs2019-11-01
web(ro)0xc000000x14000008.0 MBweb-x.squashfs.imgsquashfs2019-11-01
user(ro)0x14000000x210000013.0 MBuser-x.squashfs.imgsquashfs2019-11-01
Kernelslv(ro)0x21000000x23800002.5 MBkernelslv.img—2019-11-01
romfsslv(ro)0x23800000x3c0000024.5 MBromfsslv-x.squashfs.imgsquashfs2019-11-01
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.