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Firmware

LSNVR8CH-1HD-4K NVR4XXX-4KS2_Eng_ZUUM_V4.001.101U000.0.R.210429.zip

Zuum firmware released Apr 29, 2021. May work with 1 device.

Released
Apr 29, 2021
Version
V4.001.101U000.0.R
Size
52.2 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
287307449b0af6fc63002fd82a9b8bee
SHA-256
bc5d8e1d17d6c60e2b8aa4dbfa4ecc6f87ea34b0c5bc14e01c7650f557b31501

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_Eng_ZUUM_V4.001.101U000.0.R.210429.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
Apr 29, 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—2021-04-29
env0x3000000x5000002.0 MBnot written——
uImage0x5000000xf0000010.0 MBuImage.img—2021-04-29
rootfs0xf000000x450000054.0 MBromfs-x.squashfs.imgsquashfs2021-04-29
web0x45000000x4f0000010.0 MBweb-x.squashfs.imgsquashfs2021-04-29
custom0x4f000000x51000002.0 MBcustom-x.squashfs.imgsquashfs2021-04-29
logo0x51000000x54000003.0 MBlogo-x.squashfs.imgcramfs2021-04-29
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.