Firmware

DH_IPC-HX5XXX-Volt_MultiLang_PN_Stream3_OP_V2.820.9992000.0.R.230303.zip

Dahua firmware released Mar 18, 2023. May work with 8 devices, including IPC-HDBW5442EP-AS-1T, IPC-HDBW5442EP-ZE-1T, IPC-HDBW5541EP-AS-1T.

Released: Mar 18, 2023
Version: V2.820.9992000.0.R
Size: 37.7 MB
Hardware: 8 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5: cadfa0e796f29cb1265731e647d5689c
SHA-256: 17c0c00ff7d0c245007455e54b3414fbf5f9e72aeb67a68589d7b7c9998d6ee2
Changelog: Release notes

Where it's published

Available from
Dahua
Dahua Download Center
Current
Sold as
V2.820.9992000.0.R · Listed date Mar 18, 2023
Vendor link (materialfile.dahuasecurity.com)

Compatible hardware

Hardware IDs this firmware's installer accepts (8 devices).

Where these IDs come from

hwid in DH_IPC-HX5XXX-Volt_MultiLang_PN_Stream3_OP_V2.820.9992000.0.R.230303.bin: the device's own hardware check list, 8 IDs
Install in DH_IPC-HX5XXX-Volt_MultiLang_PN_Stream3_OP_V2.820.9992000.0.R.230303.bin: the installer's device list (board families), 1 ID, vendor Dahua (not counted: a more specific list exists)
check.img in DH_IPC-HX5XXX-Volt_MultiLang_PN_Stream3_OP_V2.820.9992000.0.R.230303.bin: the device's own hardware check list, 8 IDs
Install in web-x.squashfs.bin: the installer's device list (board families), 1 ID, vendor Dahua (not counted: a more specific list exists)
check.img in web-x.squashfs.bin: the device's own hardware check list, 8 IDs

Technical details

Read from inside the firmware (bundle of several firmwares). This file bundles 2 firmware images.

DH_IPC-HX5XXX-Volt_MultiLang_PN_Stream3_OP_V2.820.9992000.0.R.230303.bin

SoC: HiSilicon Hi3516CV500
Architecture: arm
OEM build: Dahua
Flash: 128.0 MB
Image dates: Mar 3, 2023
Security: Signed, encrypted, security baseline V2.1
Language & video: English by default · 22 languages · PAL

Supported languages (22)

English, TradChinese, Italian, Spanish, Japanese, Russian, French, German, Portuguese, Polish, Romanian, Hungarian, Korean, Czech, Dutch, Ukrainian, Vietnamese, Arabic, SpanishEU, Hebrew, Thai, Indonesian

Flash layout: 17 partitions, 8 written by this firmware

From the firmware's partition table (partitionV2.txt).

Partition	Start	End	Size	Image	Filesystem	Built
mini-Boot	0x0	0x100000	1.0 MB	not written	—	—
U-Boot	0x200000	0x300000	1.0 MB	dhboot.bin.img	—	2023-03-03
updateflag	0x300000	0x400000	1.0 MB	not written	—	—
hwid	0x400000	0x480000	512.0 KB	not written	—	—
config	0x480000	0x880000	4.0 MB	not written	ubi	—
backup	0x880000	0xc80000	4.0 MB	not written	ubi	—
syslog	0xc80000	0x1080000	4.0 MB	not written	ubi	—
Kernel	0x1080000	0x1400000	3.5 MB	kernel.img	—	2023-03-03
dgs	0x1400000	0x1480000	512.0 KB	not written	—	—
kernel_min	0x1480000	0x1680000	2.0 MB	kernel_min.img	—	2023-03-03
partition(ro)	0x1680000	0x1700000	512.0 KB	partition-x-bak.cramfs.img	cramfs	2023-03-03
romfs_min(ro)	0x1700000	0x1b80000	4.5 MB	romfs_min-x.squashfs.img	squashfs	2023-03-03
product(ro)	0x1b80000	0x1c80000	1.0 MB	pd-x.squashfs.img	squashfs	2023-03-03
web(ro)	0x1c80000	0x2380000	7.0 MB	web-x.squashfs.img	squashfs	2023-03-03
romfs(ro)	0x2380000	0x3780000	20.0 MB	romfs-x.squashfs.img	squashfs	2023-03-03
bakpart(ro)	0x3780000	0x3800000	512.0 KB	not written	cramfs	—
itop	0x3800000	0x8000000	72.0 MB	not written	ubi	—

web-x.squashfs.bin

Architecture: arm
OEM build: Dahua
Image dates: Mar 3, 2023
Security: Signed, encrypted, security baseline V2.1
Language & video: English by default · 22 languages · PAL

Supported languages (22)

Flash layout: 1 partition, 1 written by this firmware

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

Partition	Start	End	Size	Image	Filesystem	Built
web	0x1c80000	0x2380000	7.0 MB	web-x.squashfs.img	squashfs	2023-03-03

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 V2.1 may refuse this file, and after installing it you may not be able to downgrade to firmware with a lower baseline.