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Firmware

DH_IPC-HX1XXX-Molec_MultiLang_PN_V2.820.0000000.50.R.220919.bin

Dahua firmware released Sep 19, 2022. May work with 17 devices, including IPC-B1A20-4G-A-B-N, IPC-B1A20-4G-PV, IPC-B1A20-4G-PV-B-N.

Released
Sep 19, 2022
Version
V2.820.0000000.50.R
Size
29.5 MB
Hardware
17 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
1bac89e548170f86ce33b6bac5a1ea7d
SHA-256
a62832b3a74014ca8bc85ac9d1969d7667e30f5d9df3e7799df4884e34fa80bf

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (17 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 17 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, 17 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-svn10174
Flash
128.0 MB
Image dates
Sep 19, 2022
Security
Signed
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, 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—2022-09-19
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.imgcramfs2022-09-19
product(ro)0x1d000000x22000005.0 MBnot writtensquashfs—
Kernel0x22000000x29000007.0 MBkernel.img—2022-09-19
web(ro)0x29000000x330000010.0 MBweb-x.squashfs.imgsquashfs2022-09-19
romfs(ro)0x33000000x4c0000025.0 MBromfs-x.squashfs.imgsquashfs2022-09-19
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.