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Firmware

dh_ipc-ac12xx-eos3_eng_p_v2.421.0000000.9.r.20180117.bin

Dahua firmware released Jan 17, 2018. May work with 4 devices, including IPC-A12, IPC-A22, IPC-C12-YYS.

Released
Jan 17, 2018
Version
V2.421.0000000.9
Size
6.7 MB
Hardware
4 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
d489e8793300aede63e4f2e5ba924f35
SHA-256
40249ba200c7210c7f53cbcfd1a330d1710227776c7e8ed6f0f5517434302032

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (4 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 4 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, 4 IDs

Technical details

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

SoC
HiSilicon Hi3518EV200
Architecture
arm
OEM build
General
Kernel
Linux 3.4.35
Bootloader
U-Boot 2010.06-svn5286
Flash
16.0 MB
Image dates
Jan 17, 2018
Security
Not signed, not encrypted
Language & video
English by default · PAL
Flash layout: 11 partitions, 4 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
U-Boot0x400000x80000256.0 KBdhboot.bin.img—2018-01-17
updateflag0x800000xc0000256.0 KBnot written——
hwid0xc00000x100000256.0 KBnot written——
partition(ro)0x1000000x11000064.0 KBpartition-x.cramfs.imgcramfs2018-01-17
Kernel0x1100000x2700001.4 MBkernel.img—2018-01-17
romfs(ro)0x2700000x8400005.8 MBromfs-x.squashfs.imgsquashfs2018-01-17
partbak(ro)0x8400000x85000064.0 KBnot writtencramfs—
kernelbak0x8500000x9b00001.4 MBnot written——
romfsbak(ro)0x9b00000xf800005.8 MBnot written——
config0xf800000xfe0000384.0 KBnot writtenjffs2—
fpn0xfe00000x1000000128.0 KBnot written——

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