Skip to content

Firmware

NVR4XXX-4KS2_MultiLang_V4.000.0000001.5.R.191218.zip

Eltrox firmware released Dec 18, 2019. May work with 1 device.

Released
Dec 18, 2019
Version
V4.000.0000001.5.R
Size
50.3 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
17abcbeef0bfc17b9c33670ec285b3da
SHA-256
9b433351127fa1c1b85b781921e8a4fadd852c37772e5ebe719d3aaf14f7fda8

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 in DH_NVR4XXX-4KS2_MultiLang_V4.000.0000001.5.R.191218.bin: the installer script's board checks, 2 IDs

Technical details

Read from inside the firmware (zip archive).

SoC
HiSilicon Hi3798CV200
Architecture
arm
Flash
128.0 MB
Image dates
Dec 18, 2019
Security
Signed, security baseline V1.4, upgrade security version V2.0
Flash layout: 12 partitions, 6 written by this firmware

From the recorder's Install.lua partition table.

PartitionStartEndSizeImageFilesystemBuilt
boot0x00x3000003.0 MBu-boot.bin.img—2019-12-18
env0x3000000x5000002.0 MBnot written——
uImage0x5000000xf0000010.0 MBuImage.img—2019-12-18
rootfs0xf000000x450000054.0 MBromfs-x.squashfs.imgsquashfs2019-12-18
web0x45000000x4f0000010.0 MBweb-x.squashfs.imgsquashfs2019-12-18
custom0x4f000000x51000002.0 MBcustom-x.squashfs.imgsquashfs2019-12-18
logo0x51000000x54000003.0 MBlogo-x.squashfs.imgcramfs2019-12-18
config0x54000000x5a000006.0 MBnot written——
logs0x5a000000x640000010.0 MBnot written——
extend10x64000000x6c000008.0 MBnot written——
backup0x6c000000x780000012.0 MBnot written——
extend20x78000000x80000008.0 MBnot written——

About the security baseline: firmware with a higher security baseline can stop a device going back to older firmware. A device already on a higher baseline than V1.4 may refuse this file, and after installing it you may not be able to downgrade to firmware with a lower baseline.

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