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Firmware

General_NVR4XXX-I_MultiLang_PN_V4.000.0000000.1.R.20190809.bin

Dahua firmware released Aug 9, 2019. May work with 1 device.

Released
Aug 9, 2019
Version
V4.000.0000000.1.R
Size
109.0 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
5700bc5ee2e4d8f8e8ec0119d09d7b51
SHA-256
5f92feae9dd5a07e2fabef623606c89063807847c4676c6b93e10e25d1a7159f

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 Hi3519AV100
Architecture
arm
Bootloader
U-Boot 2016.11-svn3151
Flash
1.0 GB
Image dates
Aug 9, 2019
Security
Signed, upgrade security version V2.0
Flash layout: 11 partitions, 7 written by this firmware

From the recorder's Install.lua partition table.

PartitionStartEndSizeImageFilesystemBuilt
updateboot0x1000000x2000001.0 MBu-boot.bin.img—2019-08-09
boot0x2000000x6000004.0 MBnot written——
rootfs0x6000000x2e0000040.0 MBromfs-x.squashfs.imgsquashfs2019-08-09
userfs0x2e000000xe000000178.0 MBuserfs-x.squashfs.imgsquashfs2019-08-09
web0xe0000000xfe0000030.0 MBweb-x.squashfs.imgsquashfs2019-08-09
custom0xfe000000x101000003.0 MBcustom-x.squashfs.imgsquashfs2019-08-09
logo0x101000000x106000005.0 MBlogo-x.squashfs.imgsquashfs2019-08-09
config0x106000000x11a0000020.0 MBnot written——
logs0x11a000000x1380000030.0 MBnot written——
extend0x138000000x20000000200.0 MBnot written——
algorithm0x200000000x40000000512.0 MBalgorithm.img—2019-08-09

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