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Firmware

General_IPC-HX2(1)XXX-Sag_Eng_PN_V2.622.0000000.15.R.181102.bin

Dahua firmware released Nov 2, 2018. May work with 7 devices, including IPC-HDBW1831R, IPC-HDBW1831R-S, IPC-HDBW2831R-ZAS-3711.

Released
Nov 2, 2018
Version
V2.622.0000000.15.R
Size
32.1 MB
Hardware
7 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
139c994989d8a5cd4240a4a85d417a05
SHA-256
3b315d860043131ccce5d931694c1e8cf5cfda94bfbf24b1acd8d4d1087adad9

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-svn6272
Flash
127.0 MB
Image dates
Nov 2, 2018
Security
Signed
Language & video
English by default · PAL
Flash layout: 24 partitions, 10 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2018-11-02
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2018-11-02
custom(ro)0x6000000x7000001.0 MBcustom-x.squashfs.imgsquashfs2018-11-02
product(ro)0x7000000x8000001.0 MBpd-x.squashfs.imgsquashfs2018-11-02
Kernel0x8000000xa800002.5 MBkernel.img—2018-11-02
romfs(ro)0xa800000xc000001.5 MBromfs-x.squashfs.imgsquashfs2018-11-02
web(ro)0xc000000x14000008.0 MBweb-x.squashfs.imgsquashfs2018-11-02
user(ro)0x14000000x210000013.0 MBuser-x.squashfs.imgsquashfs2018-11-02
Kernelslv(ro)0x21000000x23800002.5 MBkernelslv.img—2018-11-02
romfsslv(ro)0x23800000x3c0000024.5 MBromfsslv-x.squashfs.imgsquashfs2018-11-02
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.