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Firmware

N842A8_20200709_00020.bin

Lorex firmware built Jul 9, 2020. May work with 2 devices.

Built
Jul 9, 2020
Size
48.7 MB
Hardware
2 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
770bf40a0971b585bcc7e10f4a3d4db7
SHA-256
b76118886491a187b9775adf8d869c8a12f61a1c7ce924708a6efd5eaface55e

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (2 devices). Names with placeholders such as x or XXX are board families.

Where these IDs come from
  • Install.lua: the installer script's board checks, 2 IDs

Technical details

Read from inside the firmware (dahua package (zip variant)).

SoC
HiSilicon Hi3798CV200
Architecture
arm
Flash
128.0 MB
Image dates
Jul 9, 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—2020-07-09
env0x3000000x5000002.0 MBnot written——
uImage0x5000000xf0000010.0 MBuImage.img—2020-07-09
rootfs0xf000000x450000054.0 MBromfs-x.squashfs.imgsquashfs2020-07-09
web0x45000000x4f0000010.0 MBweb-x.squashfs.imgsquashfs2020-07-09
custom0x4f000000x51000002.0 MBcustom-x.squashfs.imgsquashfs2020-07-09
logo0x51000000x54000003.0 MBlogo-x.squashfs.imgcramfs2020-07-09
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.