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Firmware

DH_HCVR7x08-4K_Eng_P_V3.218.0000002.5.R.190301.bin

Viatec and Cifra firmware released Mar 1, 2019. May work with 1 device.

Released
Mar 1, 2019
Version
V3.218.0000002.5.R
Size
21.5 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
e949f3e5fc15a38ff7a874938e8d7cca
SHA-256
b8b2d8d6c0a8759d2cea0f7853b4b18525e524394dd4a55847fed7ba36454c3a

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-svn3271
Flash
32.0 MB
Image dates
Mar 1, 2019
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—2019-03-01
rootfs0xa00800000xa188000024.0 MBromfs-x.cramfs.imgsquashfs2019-03-01
web0xa18800000xa1d800005.0 MBweb-x.cramfs.imgsquashfs2019-03-01
custom0xa1d800000xa1e00000512.0 KBcustom-x.cramfs.imgcramfs2019-03-01
logo0xa1e000000xa1ec0000768.0 KBlogo-x.cramfs.imgcramfs2019-03-01
config0xa1ec00000xa20000001.3 MBnot written——

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