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Firmware

DH_IPC-HX1XXX-Molec_MultiLang_PN_V2.820.0000000.48.R.220614.bin

Dahua firmware released Jun 14, 2022. May work with 15 devices, including IPC-B1A20-4G-PV, IPC-B1A20-PV, IPC-B1A20-W.

Released
Jun 14, 2022
Version
V2.820.0000000.48.R
Size
28.6 MB
Hardware
15 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
61fef572a2562d9da7a3a7f65e4ff8fb
SHA-256
20d5833c293a9a75df16edce6a7df2b1f3c4ec90cca1ae0b4bd9bbec8565331a

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (15 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 15 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, 15 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-svn9796
Flash
128.0 MB
Image dates
Jun 14, 2022
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, 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—2022-06-14
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.imgcramfs2022-06-14
product(ro)0x1d000000x22000005.0 MBnot writtensquashfs—
Kernel0x22000000x29000007.0 MBkernel.img—2022-06-14
web(ro)0x29000000x330000010.0 MBweb-x.squashfs.imgsquashfs2022-06-14
romfs(ro)0x33000000x4c0000025.0 MBromfs-x.squashfs.imgsquashfs2022-06-14
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.