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Firmware

DH_NVR2XXX-I2_Mul_V4.002.0000001.3.R.231220.zip

CCTV App firmware released Dec 20, 2023. May work with 1 device.

Released
Dec 20, 2023
Version
V4.002.0000001.3.R
Size
198.8 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
be81971070fdf99ba3f8c3ae3e90268f
SHA-256
f01aeaf1c1b90b0ee038ff740e0e605ba70230ed3370a732d83bcba8c81a0d09

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 DH_NVR2XXX-I2_Mul_V4.002.0000001.3.R.231220.bin: the installer script's board checks, 2 IDs

Technical details

Read from inside the firmware (zip archive). This file bundles 2 firmware images.

Firmware image

SoC
Novatek: one of NT98323, NT98321
Architecture
arm
Bootloader
U-Boot 2016.07-svn6362
Image dates
Dec 19, 2023
Security
Not signed
Flash layout: 4 partitions, 4 written by this firmware

From the image headers (only partitions this firmware writes).

PartitionStartEndSizeImageFilesystemBuilt
u-boot0xa00c00000xa02c00002.0 MBu-boot.bin.img—2023-12-19
custom0xa37800000xa39800002.0 MBcustom-x.squashfs.imgsquashfs2023-12-19
web0xa39800000xa488000015.0 MBweb-x.squashfs.imgsquashfs2023-12-19
logo0xa48800000xa4a800002.0 MBlogo-x.squashfs.imgsquashfs2023-12-19

DH_NVR2XXX-I2_Mul_V4.002.0000001.3.R.231220.bin

SoC
Novatek: one of NT98323, NT98321
Architecture
arm
Bootloader
U-Boot 2016.07-svn6362
Flash
384.0 MB
Image dates
Dec 19, 2023
Security
Signed, upgrade security version 2.10
Flash layout: 12 partitions, 7 written by this firmware

From the recorder's Install.lua partition table.

PartitionStartEndSizeImageFilesystemBuilt
loader0xa00000000xa0040000256.0 KBnot written——
fdt0xa00400000xa0080000256.0 KBfdt.bin.img—2023-12-19
uboot0xa00c00000xa02c00002.0 MBu-boot.bin.img—2023-12-19
uenv0xa02c00000xa04400001.5 MBnot written——
rootfs0xa04400000xa378000051.3 MBromfs-x.squashfs.imgsquashfs2023-12-19
custom0xa37800000xa39800002.0 MBcustom-x.squashfs.imgsquashfs2023-12-19
web0xa39800000xa488000015.0 MBminios-x.squashfs.imgsquashfs2023-12-19
logo0xa48800000xa4a800002.0 MBlogo-x.squashfs.imgsquashfs2023-12-19
dgs0xa4a800000xa4b00000512.0 KBnot written——
ext_usr0xa4b000000xa700000037.0 MBext_usr-x.squashfs.imgsquashfs2023-12-19
config_fw0xa70000000xa76000006.0 MBnot written——
config0xa76000000xb8000000266.0 MBnot written——

Other files for much of the same hardware, from any vendor.