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Firmware

DH_IPC-HX1XXX-Molec_MultiLang_NP_V2.820.0000000.65.R.250121.zip

Dahua firmware released Mar 19, 2025. May work with 21 devices, including IPC-B1A20-4G-A-B-N, IPC-B1A20-4G-PV, IPC-B1A20-4G-PV-B-N.

Released
Mar 19, 2025
Version
V2.820.0000000.65.R
Size
38.8 MB
Hardware
21 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
e1bbfe51678e1607545db167060e87c3
SHA-256
6569712b307b619a1d40f93dc2f3815932ebdd548554a8bed36117d9f1184421
Changelog
Release notes

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (21 devices). Names with placeholders such as x or XXX are board families.

Where these IDs come from
  • hwid in DH_IPC-HX1XXX-Molec_MultiLang_NP_V2.820.0000000.65.R.250121.bin: the device's own hardware check list, 20 IDs
  • Install in DH_IPC-HX1XXX-Molec_MultiLang_NP_V2.820.0000000.65.R.250121.bin: the installer's device list (board families), 1 ID, vendor Dahua (not counted: a more specific list exists)
  • check.img in DH_IPC-HX1XXX-Molec_MultiLang_NP_V2.820.0000000.65.R.250121.bin: the device's own hardware check list, 20 IDs
  • Install in web-x.squashfs.bin: the installer's device list (board families), 1 ID, vendor Dahua

Technical details

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

DH_IPC-HX1XXX-Molec_MultiLang_NP_V2.820.0000000.65.R.250121.bin

SoC
SigmaStar SSC325
Architecture
arm
OEM build
Dahua
Bootloader
U-Boot 2010.06-svn17450
Flash
128.0 MB
Image dates
Jan 21, 2025
Security
Signed, encrypted
Language & video
English by default · 13 languages · NTSC
Supported languages (13)

English, Italian, Spanish, Russian, French, German, Portugal, Poland, Korean, Czechish, Dutch, Arabic, SpanishEU

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—2025-01-21
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.imgcramfs2025-01-21
product(ro)0x1d000000x22000005.0 MBnot writtensquashfs—
Kernel0x22000000x29000007.0 MBkernel.img—2025-01-21
web(ro)0x29000000x330000010.0 MBweb-x.squashfs.imgsquashfs2025-01-21
romfs(ro)0x33000000x4c0000025.0 MBromfs-x.squashfs.imgsquashfs2025-01-21
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——

web-x.squashfs.bin

Architecture
arm
OEM build
Dahua
Image dates
Jan 21, 2025
Security
Signed, encrypted
Flash layout: 1 partition, 1 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
web0x29000000x330000010.0 MBweb-x.squashfs.imgsquashfs2025-01-21

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