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Firmware

DH_IPC-HX1XXX-Molec_MultiLang_PN_V2.820.0000000.33.R.210705.bin

Dahua firmware released Jul 5, 2021. May work with 13 devices, including IPC-B1A20-4G-PV, IPC-B1A20-PV, IPC-B1A20-W.

Released
Jul 5, 2021
Version
V2.820.0000000.33.R
Size
27.7 MB
Hardware
13 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
9c70c4f52497f5eb6e6d2cdf754b5b45
SHA-256
799b134c3b1a8c9a97065f2a4edf752d366e9329eefe5fc416c0f4c5c2fd048b

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (13 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 13 IDs
  • Install: the installer's device list (board families), 1 ID, vendor General (not counted: a more specific list exists)
  • check.img: the device's own hardware check list, 13 IDs

Technical details

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

SoC
SigmaStar SSC325
Architecture
arm
OEM build
General
Bootloader
U-Boot 2010.06-svn8930
Flash
128.0 MB
Image dates
Jul 5, 2021
Security
Signed, encrypted
Language & video
English by default · 13 languages · PAL
Supported languages (13)

English, Italian, Spanish, Russian, French, German, Portuguese, Polish, Korean, Czech, Dutch, Arabic, SpanishEU

Flash layout: 20 partitions, 6 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
mini-Boot0x00x2800002.5 MBdhboot-min.bin.img—2021-07-05
U-Boot0x3400000x400000768.0 KBdhboot.bin.img—2021-07-05
hwid0x4000000x5000001.0 MBnot written——
dgs0x5000000x6000001.0 MBnot written——
syslog0x6000000xd000007.0 MBnot writtenubi—
config0xd000000x14000007.0 MBnot writtenubi—
backup0x14000000x1b000007.0 MBnot writtenubi—
updateflag0x1b000000x1c000001.0 MBnot written——
partition(ro)0x1c000000x1d000001.0 MBpartition-x.cramfs.imgcramfs2021-07-05
product(ro)0x1d000000x22000005.0 MBnot writtensquashfs—
Kernel0x22000000x29000007.0 MBkernel.img—2021-07-05
web(ro)0x29000000x330000010.0 MBweb-x.squashfs.imgsquashfs2021-07-05
romfs(ro)0x33000000x4c0000025.0 MBromfs-x.squashfs.imgsquashfs2021-07-05
aewb(ro)0x4c000000x4e000002.0 MBnot writtensquashfs—
backpart(ro)0x4e000000x4f000001.0 MBnot written——
backproduct(ro)0x4f000000x54000005.0 MBnot written——
backkernel0x54000000x5b000007.0 MBnot written——
backweb(ro)0x5b000000x650000010.0 MBnot written——
backromfs(ro)0x65000000x7e0000025.0 MBnot written——
backaewb(ro)0x7e000000x80000002.0 MBnot written——

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