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Firmware

DH_IPC-WX-Web-Hertz2_EngSpnRus_PN_V2.800.0000000.13.R.221220.bin

Dahua firmware released Dec 20, 2022. May work with 20 devices, including IPC-B1A20-PV-V2, IPC-B1A20-W-B-V2, IPC-B1A20-WT-B-V2.

Released
Dec 20, 2022
Version
V2.800.0000000.13.R
Size
17.3 MB
Hardware
20 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
9cd2334f4e506f0db2c073c8419846c7
SHA-256
65de2a65893b487337bb90504115ce7286544056bcc9d91bfb63eca27b8958d0

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 General (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 SSC335
Architecture
arm
OEM build
General
Kernel
Linux 4.9.84
Bootloader
U-Boot 2010.06-svn10062
Flash
16.0 MB
Image dates
Dec 20, 2022
Security
Signed, not encrypted, security baseline V2.3
Language & video
English by default · 3 languages · PAL
Supported languages (3)

English, Spanish, Russian

Flash layout: 11 partitions, 5 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
mini-Boot0x00x40000256.0 KBnot written——
U-Boot0x800000xc0000256.0 KBdhboot.bin.img—2022-12-20
hwid0xc00000xd000064.0 KBnot written——
partition(ro)0xd00000xe000064.0 KBpartition-x.cramfs.imgcramfs2022-12-20
Kernel0xe00000x2800001.6 MBkernel.img—2022-12-20
web(ro)0x2800000x7500004.8 MBkernel-aol.imgsquashfs2022-12-20
romfs(ro)0x7500000xef00007.6 MBromfs-x.squashfs.imgsquashfs2022-12-20
config0xef00000xf50000384.0 KBnot writtenjffs2—
backup0xf500000xfa0000320.0 KBnot writtenjffs2—
dgs0xfa00000xff0000320.0 KBnot written——
updateflag0xff00000x100000064.0 KBnot written——

About the security baseline: firmware with a higher security baseline can stop a device going back to older firmware. A device already on a higher baseline than V2.3 may refuse this file, and after installing it you may not be able to downgrade to firmware with a lower baseline.

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