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Firmware

General_HCVR7x04-4K_Eng_NP_V3.218.0000001.2.R.170808.bin

DH Vision and ipcamtalk firmware released Aug 8, 2017. May work with 1 device.

Released
Aug 8, 2017
Version
V3.218.0000001.2.R
Size
21.1 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
66e191bcfd3cb08be9c66f46aff77519
SHA-256
d5024e1b3302e896e63f815fa4ae13f06599402c8495bf1f1fc2b5a1551cf2ed

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (1 device). Names with placeholders such as x or XXX are board families.

Where these IDs come from
  • Install.lua: the installer script's board checks, 2 IDs

Technical details

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

SoC
HiSilicon: one of Hi3520DV300, Hi3521A, Hi3531A
Architecture
arm
Bootloader
U-Boot 2010.06-svn2824
Flash
32.0 MB
Image dates
Aug 7, 2017
Security
Signed, not encrypted
Flash layout: 6 partitions, 5 written by this firmware

From the recorder's Install.lua partition table.

PartitionStartEndSizeImageFilesystemBuilt
boot0xa00000000xa0070000448.0 KBu-boot.bin.img—2017-08-07
rootfs0xa00800000xa188000024.0 MBromfs-x.cramfs.imgsquashfs2017-08-07
web0xa18800000xa1d800005.0 MBweb-x.cramfs.imgsquashfs2017-08-07
custom0xa1d800000xa1e00000512.0 KBcustom-x.cramfs.imgcramfs2017-08-07
logo0xa1e000000xa1ec0000768.0 KBlogo-x.cramfs.imgcramfs2017-08-07
config0xa1ec00000xa20000001.3 MBnot written——

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