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Firmware

General_NVR2XXX-S3_MultiLang_V4.000.0000000.2.R.230426.bin

ENS Security firmware released Apr 26, 2023. May work with 1 device.

Released
Apr 26, 2023
Version
V4.000.0000000.2.R
Size
50.5 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
ed2c45d923b7afa5faff7107bb2b685e
SHA-256
588b01b0215778620cd15434afeaf9c41b523ac7df70e277537b744630c2ba89

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
Apr 25, 2023
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—2023-04-25
env0x4400000x5400001.0 MBnot written——
romfs0x5400000x2a4000037.0 MBromfs-x.squashfs.imgsquashfs2023-04-25
custom0x2a400000x2ac0000512.0 KBcustom-x.squashfs.imgsquashfs2023-04-25
web0x2ac00000x34c000010.0 MBminios-x.squashfs.imgsquashfs2023-04-25
logo0x34c00000x3540000512.0 KBlogo-x.squashfs.imgsquashfs2023-04-25
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.