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Firmware

General_SD-Hertz_MultiLang_PN_V2.811.0000013.0.R.231220.bin

Dahua firmware released Dec 20, 2023. May work with 51 devices, including PTZ-NT2000HB-0600-A, PTZ-NT2000HB-0600-B, PTZ-NT4000HB-0600-A.

Released
Dec 20, 2023
Version
V2.811.0000013.0.R
Size
26.3 MB
Hardware
51 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
5b892c3e2d4930168a73d6c93b993ee5
SHA-256
7eb6a53f165b6979b758d8e6240d2e9aef541413ee4d4d674e30acf15f17d285

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (51 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 51 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, 51 IDs

Technical details

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

SoC
SigmaStar SSC335DE
Architecture
arm
OEM build
General
Kernel
Linux 4.9.84
Bootloader
U-Boot 2010.06-svn13133
Flash
128.0 MB
Image dates
Dec 20, 2023
Security
Signed, not encrypted, security baseline V12.2
Language & video
English by default · 4 languages · PAL
Supported languages (4)

English, Arabic, SpanishEU, Thai

Flash layout: 20 partitions, 6 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
mini-Boot0x00x4000004.0 MBnot written——
U-Boot0x5000000x6000001.0 MBdhboot.bin.img—2023-12-20
hwid0x6000000x7000001.0 MBnot written——
updateflag0x7000000x8000001.0 MBnot written——
dgs0x8000000x9000001.0 MBnot written——
partition(ro)0x9000000xa000001.0 MBpartition-x.cramfs.imgcramfs2023-12-20
lens0xa000000xb000001.0 MBnot written——
syslog0xb000000xf000004.0 MBnot writtenubi—
config0xf000000x13000004.0 MBnot writtenubi—
backup0x13000000x17000004.0 MBnot writtenubi—
devconfig0x17000000x1b000004.0 MBnot writtenubi—
Kernel0x21000000x25000004.0 MBkernel.img—2023-12-20
romfs(ro)0x25000000x410000028.0 MBromfs-x.squashfs.imgsquashfs2023-12-20
web(ro)0x41000000x4d0000012.0 MBweb-x.squashfs.imgsquashfs2023-12-20
product(ro)0x4d000000x50000003.0 MBpd-x.squashfs.imgsquashfs2023-12-20
backpart0x50000000x51000001.0 MBnot written——
backKernel0x51000000x55000004.0 MBnot written——
backromfs0x55000000x710000028.0 MBnot written——
backweb0x71000000x7d0000012.0 MBnot written——
backpd0x7d000000x80000003.0 MBnot 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 V12.2 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.