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Firmware

General_NVR2XXX-S3_MultiLang_V4.000.0000000.5.R.240731.bin

ENS Security firmware released Jul 31, 2024. May work with 1 device.

Released
Jul 31, 2024
Version
V4.000.0000000.5.R
Size
51.7 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
faaa2f53a9cf4072b565d1a8f21a4e19
SHA-256
32adc3211d587c7e525b6df2e8be29ac8b0bb69f4cd8fdc43e291d7e35b709c2

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: the installer script's board checks, 2 IDs

Technical details

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

Architecture
arm
Flash
64.0 MB
Image dates
Jul 31, 2024
Security
Signed, security baseline V1.4, upgrade security version 2.30
Flash layout: 13 partitions, 5 written by this firmware

From the recorder's Install.lua partition table.

PartitionStartEndSizeImageFilesystemBuilt
param0x00x1400001.3 MBnot written——
ipl0x1400000x200000768.0 KBnot written——
ipl_cust0x2000000x2c0000768.0 KBnot written——
boot0x2c00000x4400001.5 MBu-boot.bin.img—2024-07-31
env0x4400000x5400001.0 MBnot written——
romfs0x5400000x2a4000037.0 MBromfs-x.squashfs.imgsquashfs2024-07-31
custom0x2a400000x2ac0000512.0 KBcustom-x.squashfs.imgsquashfs2024-07-31
web0x2ac00000x34c000010.0 MBminios-x.squashfs.imgsquashfs2024-07-31
logo0x34c00000x3540000512.0 KBlogo-x.squashfs.imgsquashfs2024-07-31
config_fw0x35400000x38400003.0 MBnot written——
config0x38400000x3dc00005.5 MBnot written——
logs0x3dc00000x3fc00002.0 MBnot written——
dgs0x3fc00000x4000000256.0 KBnot 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.