Skip to content

Firmware

NVR4XXX-4KS2_MultiLang_V4.000.0000001.2.R.190929.zip

Eltrox firmware released Sep 29, 2019. May work with 1 device.

Released
Sep 29, 2019
Version
V4.000.0000001.2.R
Size
50.3 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
7be87a0f48c5b5bd7bb8cea801b072a8
SHA-256
aa0336617d1e529fe41cebf08f0d69ef368acb08b21e8c15f1754d0c89f8d55f

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_V4.000.0000001.2.R.190929.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
Sep 29, 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—2019-09-29
env0x3000000x5000002.0 MBnot written——
uImage0x5000000xf0000010.0 MBuImage.img—2019-09-29
rootfs0xf000000x450000054.0 MBromfs-x.squashfs.imgsquashfs2019-09-29
web0x45000000x4f0000010.0 MBweb-x.squashfs.imgsquashfs2019-09-29
custom0x4f000000x51000002.0 MBcustom-x.squashfs.imgsquashfs2019-09-29
logo0x51000000x54000003.0 MBlogo-x.squashfs.imgcramfs2019-09-29
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.