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Firmware

DH_iDVR21xx_Eng_P_V3.200.0001.15.R.20171021.zip

Dahua firmware released Oct 21, 2017. May work with 3 devices, including DH.

Released
Oct 21, 2017
Version
V3.200.0001.15.R
Size
14.1 MB
Hardware
3 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
9d8e25173c9a2b7e16be3ddd341283a7
SHA-256
5c28f96fdd9e3483748f6b7ee7db3892b81a09ee655c63c59405ad666a5ad999

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (3 devices). Names with placeholders such as x or XXX are board families.

Where these IDs come from
  • Install.lua in DH_iDVR21xx_Eng_P_V3.200.0001.15.R.20171021.bin: the installer script's board checks, 3 IDs

Technical details

Read from inside the firmware (zip archive).

SoC
HiSilicon: one of Hi3520D, Hi3515A
Architecture
arm
Bootloader
U-Boot 2010.06-svn1393
Flash
16.0 MB
Image dates
Oct 26, 2017
Security
Signed, not encrypted
Flash layout: 7 partitions, 5 written by this firmware

From the recorder's Install.lua partition table.

PartitionStartEndSizeImageFilesystemBuilt
boot0xa00000000xa0040000256.0 KBu-boot.bin.img—2017-10-26
rootfs0xa00600000xa0ce000012.5 MBromfs-x.cramfs.imgsquashfs2017-10-26
web0xa0ce00000xa0e600001.5 MBweb-x.cramfs.imgsquashfs2017-10-26
custom0xa0e600000xa0e80000128.0 KBcustom-x.cramfs.imgcramfs2017-10-26
logo0xa0e800000xa0ec0000256.0 KBlogo-x.cramfs.imgcramfs2017-10-26
config0xa0ec00000xa0f40000512.0 KBnot written——
config10xa0f400000xa1000000768.0 KBnot written——

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