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Firmware

DH_NVR2X-4KS3_MultiLang_V4.005.0000000.1.R.240925.zip

Dahua firmware released Sep 25, 2024. Encrypted firmware.

Released
Sep 25, 2024
Version
V4.005.0000000.1.R
Size
139.7 MB
Hardware
Encrypted firmware

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
233f005d71278bb563ce1fa8f2a68e75
SHA-256
feb6e34a96f4d0997bdad5a4461a5919b191503b057f1601aa72fff4d6c5b8dc

Where it's published

Compatible hardware

This firmware is encrypted (the format Dahua uses for NVR4/NVR5 EI and XI builds), so its contents, including its list of supported hardware, can't be read. Use the model names the vendors list for it instead.

Technical details

Read from inside the firmware (bundle of several firmwares). This file bundles 5 firmware images.

algorithm-x.squashfs.img

SoC
Novatek NT98631
Architecture
arm
Image dates
Sep 25, 2024
Security
Not signed, encrypted
Flash layout: 1 partition, 1 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
algorithm0xa4a800000xa6f8000037.0 MBalgorithm-x.squashfs.imgsquashfs2024-09-25

custom-x.squashfs.img

SoC
Novatek NT98631
Architecture
arm
Image dates
Sep 25, 2024
Security
Not signed
Flash layout: 1 partition, 1 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
custom0xa37800000xa39800002.0 MBcustom-x.squashfs.imgsquashfs2024-09-25

logo-x.squashfs.img

SoC
Novatek NT98631
Architecture
arm
Image dates
Sep 25, 2024
Security
Not signed, encrypted
Flash layout: 1 partition, 1 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
logo0xa48800000xa4a800002.0 MBlogo-x.squashfs.imgsquashfs2024-09-25

u-boot.bin.img

SoC
Novatek: one of NT98331, NT98631
Architecture
arm
Bootloader
U-Boot 2019.04-svn8467
Image dates
Sep 25, 2024
Security
Not signed
Flash layout: 1 partition, 1 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
u-boot0xa00800000xa02800002.0 MBu-boot.bin.img—2024-09-25

web-x.squashfs.img

SoC
Novatek NT98631
Architecture
arm
Image dates
Sep 25, 2024
Security
Not signed, encrypted
Flash layout: 1 partition, 1 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
web0xa39800000xa488000015.0 MBweb-x.squashfs.imgsquashfs2024-09-25