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Firmware

General_NVR2XXX-S3_MultiLang_V4.000.0000000.4.R.231214.bin

ENS Security firmware released Dec 14, 2023. May work with 1 device.

Released
Dec 14, 2023
Version
V4.000.0000000.4.R
Size
50.5 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
679c396cf867f004cf2d50f2715e45f9
SHA-256
2d50cffb9a947fbf707e85f27268f736f2eff31831483432506fd3b3012ec966

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
Dec 14, 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—2023-12-14
env0x4400000x5400001.0 MBnot written——
romfs0x5400000x2a4000037.0 MBromfs-x.squashfs.imgsquashfs2023-12-14
custom0x2a400000x2ac0000512.0 KBcustom-x.squashfs.imgsquashfs2023-12-14
web0x2ac00000x34c000010.0 MBminios-x.squashfs.imgsquashfs2023-12-14
logo0x34c00000x3540000512.0 KBlogo-x.squashfs.imgsquashfs2023-12-14
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.