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Firmware

General_NVR8X04_08N2_EngVin_P_KBVISON_V3.203.0000.0.R.20170925.bin

KBVision firmware released Sep 25, 2017. May work with 2 devices, including N6.

Released
Sep 25, 2017
Version
V3.203.0000.0.R
Size
13.6 MB
Hardware
2 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
f58a28794ddd08bfd3bcc5b7a109b760
SHA-256
ded8a4bc1d8405befd70820979ce7df1924d1401816be301d26b6fa24fa18e0b

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (2 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, 3 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-svn2613
Flash
16.0 MB
Image dates
Sep 25, 2017
Security
Signed, not encrypted
Flash layout: 8 partitions, 5 written by this firmware

From the recorder's Install.lua partition table.

PartitionStartEndSizeImageFilesystemBuilt
boot0xa00000000xa0050000320.0 KBu-boot.bin.img—2017-09-25
rootfs0xa00600000xa0ca000012.3 MBromfs-x.cramfs.imgsquashfs2017-09-25
Log0xa0ca00000xa0da00001.0 MBnot written——
web0xa0da00000xa0f400001.6 MBweb-x.cramfs.imgsquashfs2017-09-25
custom0xa0f400000xa0f60000128.0 KBcustom-x.cramfs.imgcramfs2017-09-25
logo0xa0f600000xa0f80000128.0 KBlogo-x.cramfs.imgcramfs2017-09-25
config0xa0f800000xa0fe0000384.0 KBnot written——
backup0xa0fe00000xa1000000128.0 KBnot written——

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