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Firmware

DH_IPC-HX4X2X-Themis_EngSpn_N_Stream3_V2.620.0000.0.R.20170620.bin

Dahua firmware released Jun 20, 2017. May work with 55 devices, including IPC-HDB4100R, IPC-HDB4120E, IPC-HDB4120E-V2.

Released
Jun 20, 2017
Version
V2.620.0000.0.R
Size
13.1 MB
Hardware
55 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
14369c55bf876e1702db99a31e8d047d
SHA-256
c8829bf63b27c4f9d3d4243057704846b2601e6ff61092d287a4077d5fde468e

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (55 devices).

Where these IDs come from
  • Install: the installer's device list (board families), 5 IDs, vendor General (not counted: a more specific list exists)
  • check.img: the device's own hardware check list, 55 IDs

Technical details

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

SoC
Ambarella: one of S2LM, S2L
Architecture
arm
OEM build
General
Kernel
Linux 3.10.50
Bootloader
U-Boot 2010.06-svn4581
Flash
32.0 MB
Image dates
Jun 20, 2017
Security
Signed, not encrypted
Language & video
English by default · 2 languages · NTSC
Supported languages (2)

English, Spanish

Flash layout: 15 partitions, 9 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
MinBoot0x00x40000256.0 KBdhboot-min.bin.img—2017-06-20
U-Boot0x800000xc0000256.0 KBdhboot.bin.img—2017-06-20
hwid0xc00000xe0000128.0 KBnot written——
partition(ro)0xe00000xf000064.0 KBpartition-x.cramfs.imgcramfs2017-06-20
Kernel0xf00000x2700001.5 MBkernel.img—2017-06-20
romfs(ro)0x2700000x3c00001.3 MBromfs-x.squashfs.imgsquashfs2017-06-20
web(ro)0x3c00000x5d00002.1 MBweb-x.squashfs.imgsquashfs2017-06-20
user(ro)0x5d00000xe000008.2 MBuser-x.squashfs.imgsquashfs2017-06-20
updateflag0xe000000xe30000192.0 KBnot written——
config0xe300000xea0000448.0 KBnot writtenjffs2—
product(ro)0xea00000xeb000064.0 KBpd-x.squashfs.imgsquashfs2017-06-20
custom(ro)0xeb00000xed0000128.0 KBcustom-x.squashfs.imgsquashfs2017-06-20
backupker(ro)0xed00000xfb0000896.0 KBnot writtensquashfs—
backupfs(ro)0xfb00000x1000000320.0 KBnot writtensquashfs—
user1(ro)0x10000000x200000016.0 MBnot writtensquashfs—

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