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Firmware

DH_IPC-HX1XXX-Molec_Chn_PN_V2.820.0000000.62.R.240531.bin

Dahua firmware released Jul 22, 2025. May work with 20 devices, including IPC-B1A20-4G-A-B-N, IPC-B1A20-4G-PV, IPC-B1A20-4G-PV-B-N.

Released
Jul 22, 2025
Version
V2.820.0000000.62.R
Size
29.6 MB
Hardware
20 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
0b4990944527d4446a7138c5716ac434
SHA-256
e22b14b2273bc725e3f0d0896630dd8b74407ad8e54dccf287a8222135ab077f

The vendor published a different MD5 for this file. It was kept because two separate downloads were identical, and it passed the integrity check; vendors occasionally publish wrong checksums.

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (20 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 20 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, 20 IDs

Technical details

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

SoC
SigmaStar SSC325
Architecture
arm
OEM build
Dahua
Bootloader
U-Boot 2010.06-svn14165
Flash
128.0 MB
Image dates
May 31, 2024
Security
Signed, encrypted
Language & video
SimpChinese by default · PAL
Flash layout: 20 partitions, 5 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
mini-Boot0x00x2800002.5 MBnot written——
U-Boot0x3400000x400000768.0 KBdhboot.bin.img—2024-05-31
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.imgcramfs2024-05-31
product(ro)0x1d000000x22000005.0 MBnot writtensquashfs—
Kernel0x22000000x29000007.0 MBkernel.img—2024-05-31
web(ro)0x29000000x330000010.0 MBweb-x.squashfs.imgsquashfs2024-05-31
romfs(ro)0x33000000x4c0000025.0 MBromfs-x.squashfs.imgsquashfs2024-05-31
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.