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Firmware

DH_IPC-HX1XXX-Eos_Eng_P_V2.420.0000.19.R.20160624-75105c9e.bin

Dahua and Cifra and Viatec firmware released Jun 24, 2016. May work with 6 devices, including IPC-HDBW2120R-AS, IPC-HDW2221S, IPC-HF4120.

Released
Jun 24, 2016
Version
V2.420.0000.19.R
Size
10.7 MB
Hardware
6 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
0a28a3b5835b8185aa7d9c079a53d44e
SHA-256
2b66fdc6bccd5a05f15e0a905885d1cb7670f0b4133cc6ebbebb63e6a0b2b1ec

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (6 devices).

Where these IDs come from
  • check.img: the device's own hardware check list, 6 IDs
  • hwid: the device's own hardware check list, 6 IDs
  • Install: the installer's device list (board families), 1 ID, vendor General (not counted: a more specific list exists)

Technical details

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

SoC
HiSilicon Hi3518
Architecture
arm
OEM build
General
Kernel
Linux 3.0.8
Bootloader
U-Boot 2010.06-svn2464
Flash
16.0 MB
Image dates
Jun 24, 2016 to Aug 3, 2017
Security
Signed, not encrypted
Language & video
English by default · PAL
Flash layout: 12 partitions, 8 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
U-Boot0x800000xc0000256.0 KBdhboot.bin.img—2016-06-24
hwid0xc00000x100000256.0 KBnot written——
partition(ro)0x1000000x140000256.0 KBpartition-x.cramfs.imgcramfs2016-06-24
custom(ro)0x1400000x160000128.0 KBcustom-x.squashfs.imgsquashfs2016-06-24
product(ro)0x1600000x180000128.0 KBpd-x.squashfs.imgsquashfs2016-06-24
Kernel0x1800000x2e00001.4 MBkernel.img—2016-06-24
web(ro)0x2e00000x5000002.1 MBweb-x.squashfs.imgsquashfs2016-06-24
romfs(ro)0x5000000x6a00001.6 MBromfs-x.squashfs.imgsquashfs2017-08-03
user(ro)0x6a00000xee00008.3 MBuser-x.squashfs.imgsquashfs2017-08-03
syslog0xee00000xf40000384.0 KBnot writtenjffs2—
config0xf400000xfa0000384.0 KBnot writtenjffs2—
backup0xfa00000x1000000384.0 KBnot writtenjffs2—

Also published as

Byte-for-byte identical files under other names:

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