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Firmware

NVR4XXX-4KS2_MultiLang_V4.001.0000005.1.R.210713.zip

Eltrox firmware released Jul 13, 2021. May work with 1 device.

Released
Jul 13, 2021
Version
V4.001.0000005.1.R
Size
55.8 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
def4101a02e2e0bec3f142ec67becf9e
SHA-256
ba664a0e6282075167f55416e53b6bb5262b1a4283e6c2697c84bf01a33b7147

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 NVR4XXX-4KS2_MultiLang_V4.001.0000005.1.R.210713.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
Jul 13, 2021
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—2021-07-13
env0x3000000x5000002.0 MBnot written——
uImage0x5000000xf0000010.0 MBuImage.img—2021-07-13
rootfs0xf000000x450000054.0 MBromfs-x.squashfs.imgsquashfs2021-07-13
web0x45000000x4f0000010.0 MBweb-x.squashfs.imgsquashfs2021-07-13
custom0x4f000000x51000002.0 MBcustom-x.squashfs.imgsquashfs2021-07-13
logo0x51000000x54000003.0 MBlogo-x.squashfs.imgcramfs2021-07-13
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.