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Firmware

DH_SD-Eos_EngSpnFrn_N_Stream3_V2.622.0000000.1.R.171121.bin

Dahua firmware released Nov 21, 2017. May work with 49 devices, including CA-HZ1020U, CA-HZ1020U1, CA-HZ1023MU.

Released
Nov 21, 2017
Version
V2.622.0000000.1.R
Size
26.9 MB
Hardware
49 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
f000d90566dead391695121e09ea3956
SHA-256
c815113479369ebc45987df02a0a78fd2371e842b2f2349f4515935c6576c28c

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (49 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 49 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, 49 IDs

Technical details

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

SoC
HiSilicon Hi3516A
Architecture
arm
OEM build
General
Kernel
Linux 3.4.35
Bootloader
U-Boot 2010.06-svn5163
Flash
126.0 MB
Image dates
Nov 21, 2017
Security
Signed, not encrypted
Language & video
English by default · 3 languages · NTSC
Supported languages (3)

English, Spanish, French

Flash layout: 15 partitions, 8 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
upmcu00x00x1000001.0 MBnot written——
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2017-11-21
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2017-11-21
custom(ro)0x6000000x9800003.5 MBcustom-x.squashfs.imgsquashfs2017-11-21
product(ro)0x9800000xd000003.5 MBpd-x.squashfs.imgsquashfs2017-11-21
Kernel0xd000000x12000005.0 MBkernel.img—2017-11-21
romfs(ro)0x12000000x1a000008.0 MBromfs-x.squashfs.imgsquashfs2017-11-21
web(ro)0x1a000000x22000008.0 MBweb-x.squashfs.imgsquashfs2017-11-21
user(ro)0x22000000x3a8000024.5 MBuser-x.squashfs.imgsquashfs2017-11-21
lens0x71000000x72000001.0 MBnot written——
syslog0x72000000x76000004.0 MBnot writtenubi—
config0x76000000x7a000004.0 MBnot writtenubi—
backup0x7a000000x7e000004.0 MBnot writtenubi—

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