Skip to content

Firmware

DH_IPC-HX5XXX-Volt_MultiLang_PN_Stream3_V2.820.0000000.2.R.210403.bin

Dahua firmware released Apr 3, 2021. May work with 198 devices, including IPC-HCBW8442P, IPC-HDB5243E-ZYH-27135, IPC-HDBW4243R-AS.

Released
Apr 3, 2021
Version
V2.820.0000000.2.R
Size
81.8 MB
Hardware
198 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
a0abf87026dc21edaa79467286eb5639
SHA-256
81cba797be8e1ec235a8d8dd71b507d24592d7c289b03b497e0222347e471011

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (198 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 198 IDs
  • Install: the installer's device list (board families), 1 ID, vendor Dahua (not counted: a more specific list exists)
  • check.img: the device's own hardware check list, 198 IDs

Technical details

Read from inside the firmware (dahua package (zip variant)).

SoC
HiSilicon Hi3516CV500
Architecture
arm
OEM build
Dahua
Flash
128.0 MB
Image dates
Apr 3, 2021
Security
Signed, encrypted, security baseline V2.1
Language & video
English by default · 23 languages · PAL
Supported languages (23)

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

Flash layout: 18 partitions, 9 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
mini-Boot0x00x1000001.0 MBnot written——
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2021-04-03
updateflag0x3000000x4000001.0 MBnot written——
hwid0x4000000x480000512.0 KBnot written——
config0x4800000xa800006.0 MBnot writtenubi—
backup0xa800000x10800006.0 MBnot writtenubi—
syslog0x10800000x16800006.0 MBnot writtenubi—
partition(ro)0x16800000x1700000512.0 KBpartition-x-bak.cramfs.imgcramfs2021-04-03
dgs0x17000000x18000001.0 MBnot written——
kernel_min0x18000000x1a000002.0 MBkernel_min.img—2021-04-03
romfs_min(ro)0x1a000000x1e800004.5 MBromfs_min-x.squashfs.imgsquashfs2021-04-03
bakpart(ro)0x1e800000x1f00000512.0 KBnot writtencramfs—
appdata0x1f000000x25000006.0 MBnot writtenubi—
product(ro)0x25000000x28000003.0 MBpd-x.squashfs.imgsquashfs2021-04-03
Kernel0x28000000x2c000004.0 MBkernel.img—2021-04-03
web(ro)0x2c000000x34000008.0 MBweb-x.squashfs.imgsquashfs2021-04-03
romfs(ro)0x34000000x520000030.0 MBromfs-x.squashfs.imgsquashfs2021-04-03
firmware(ro)0x52000000x800000046.0 MBfirmware-x.squashfs.imgsquashfs2021-04-03

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.

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