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Firmware

NVR4XXX-4KS2_MultiLang_V4.001.0000000.0.R.200221.zip

Eltrox firmware released Feb 21, 2020. May work with 1 device.

Released
Feb 21, 2020
Version
V4.001.0000000.0.R
Size
51.6 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
195e80778aa150e7fbf95eb5c0ffa4aa
SHA-256
f0a3111e070f3c1d116130eec25ed8bd1454868c533dd3a915c189769609af6a

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_V4.001.0000000.0.R.200221.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
Feb 21, 2020
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—2020-02-21
env0x3000000x5000002.0 MBnot written——
uImage0x5000000xf0000010.0 MBuImage.img—2020-02-21
rootfs0xf000000x450000054.0 MBromfs-x.squashfs.imgsquashfs2020-02-21
web0x45000000x4f0000010.0 MBweb-x.squashfs.imgsquashfs2020-02-21
custom0x4f000000x51000002.0 MBcustom-x.squashfs.imgsquashfs2020-02-21
logo0x51000000x54000003.0 MBlogo-x.squashfs.imgcramfs2020-02-21
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.