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Firmware

DH_NVR5XXX-EI_MultiLang_V4.005.0000000.4.R.250318.zip

Dahua firmware released Apr 7, 2025. Encrypted firmware.

Released
Apr 7, 2025
Version
V4.005.0000000.4.R
Size
763.3 MB
Hardware
Encrypted firmware

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
237d616b848487521b1737156e83f7ed
SHA-256
9116bc41323753cbaa94c736a54cc2e699cecf0a35d90a3f62733405f9f3bce8
Changelog
Release notes

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 6 firmware images.

algorithm-x.squashfs.img

SoC
HiSilicon SS626V100
Architecture
arm
Image dates
Mar 18, 2025
Security
Not signed, not encrypted
Flash layout: 1 partition, 1 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
algorithm0x200000000xe00000003.0 GBalgorithm-x.squashfs.imgext42025-03-18

algorithm.img

SoC
HiSilicon SS626V100
Architecture
arm
Image dates
Mar 18, 2025
Security
Not signed, not encrypted
Flash layout: 1 partition, 1 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
algorithm0x200000000xe00000003.0 GBalgorithm.img—2025-03-18

custom-x.squashfs.img

SoC
HiSilicon SS626V100
Architecture
arm
Image dates
Mar 18, 2025
Security
Not signed
Flash layout: 1 partition, 1 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
custom0xe7400000xe9400002.0 MBcustom-x.squashfs.imgsquashfs2025-03-18

logo-x.squashfs.img

SoC
HiSilicon SS626V100
Architecture
arm
Image dates
Mar 18, 2025
Security
Not signed, encrypted
Flash layout: 1 partition, 1 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
logo0xfd400000xfe00000768.0 KBlogo-x.squashfs.imgsquashfs2025-03-18

u-boot.bin.img

SoC
HiSilicon SS626V100
Architecture
arm
Image dates
Mar 18, 2025
Security
Not signed
Flash layout: 1 partition, 1 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
u-boot0x00xa8000010.5 MBu-boot.bin.img—2025-03-18

web-x.squashfs.img

SoC
HiSilicon SS626V100
Architecture
arm
Image dates
Mar 18, 2025
Security
Not signed, encrypted
Flash layout: 1 partition, 1 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
web0xe9400000xfd4000020.0 MBweb-x.squashfs.imgsquashfs2025-03-18