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Firmware

XVR522AN-8-4KL.V4.001.211013.bin

GSS firmware. May work with 3 devices, including XVR1B16H.

Size
44.2 MB
Hardware
3 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
cd0a8af3e7ba128277cc7f7e23b9a0cb
SHA-256
51b9ceaf7eef3a7ce351ba5bd7ee8753033ce000ae636ec8ed8b408c677e8223

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: the installer script's board checks, 4 IDs

Technical details

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

SoC
HiSilicon Hi3531D
Architecture
arm
Bootloader
U-Boot 2010.06-svn2599
Flash
81.0 MB
Image dates
Oct 13, 2021
Security
Signed
Flash layout: 8 partitions, 7 written by this firmware

From the recorder's Install.lua partition table.

PartitionStartEndSizeImageFilesystemBuilt
boot0xa01000000xa02000001.0 MBu-boot.bin.img—2021-10-13
rootfs0xa06000000xa170000017.0 MBromfs-x.cramfs.imgsquashfs2021-10-13
hwid0xa17000000xa1a000003.0 MBhwid-x.cramfs.imgcramfs2021-10-13
userfs0xa1a000000xa330000025.0 MBuserfs-x.cramfs.imgcramfs2021-10-13
web0xa33000000xa420000015.0 MBweb-x.cramfs.imgcramfs2021-10-13
custom0xa42000000xa44000002.0 MBcustom-x.cramfs.imgcramfs2021-10-13
logo0xa44000000xa47000003.0 MBlogo-x.cramfs.imgcramfs2021-10-13
config0xa47000000xa510000010.0 MBnot written——

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