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Firmware

DH_XVR5x08-4KL_EngSpnFrn_PN_V4.000.0000000.2.R.210923.bin

Dahua and Viatec firmware released Sep 23, 2021. May work with 1 device.

Released
Sep 23, 2021
Version
V4.000.0000000.2.R
Size
33.2 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
82754d3d1acaf2bb48523a51a4414361
SHA-256
562b01ec2b645293d48ed67190be5c2038cdb34be231b4ac10a021403e9c43fd

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-svn2599
Flash
81.0 MB
Image dates
Sep 23, 2021
Security
Signed, not encrypted
Flash layout: 7 partitions, 6 written by this firmware

From the recorder's Install.lua partition table.

PartitionStartEndSizeImageFilesystemBuilt
boot0xa01000000xa02000001.0 MBu-boot.bin.img—2021-09-23
rootfs0xa06000000xa1a0000020.0 MBromfs-x.cramfs.imgsquashfs2021-09-23
userfs0xa1a000000xa330000025.0 MBuserfs-x.cramfs.imgsquashfs2021-09-23
web0xa33000000xa420000015.0 MBweb-x.cramfs.imgsquashfs2021-09-23
custom0xa42000000xa44000002.0 MBcustom-x.cramfs.imgcramfs2021-09-23
logo0xa44000000xa47000003.0 MBlogo-x.cramfs.imgcramfs2021-09-23
config0xa47000000xa510000010.0 MBnot written——

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