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Firmware

DH_SD-Chen-Leo-Single_MultiLang_PN_Stream3_V2.811.0000010.0.R.230215.zip

Dahua firmware released Feb 21, 2023. May work with 4 devices, including CM-MT2005ZI-A, CM-MT4000ZB-A, CM-MT4000ZI-A.

Released
Feb 21, 2023
Version
V2.811.0000010.0.R
Size
44.6 MB
Hardware
4 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
cdad5a39fdfb4a1629da6ad4d3cea888
SHA-256
e36678fb88b0c1ea58f2e265b8cfdda29450eaf34ee3941875994eafafe90d05
Changelog
Release notes

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (4 devices).

Where these IDs come from
  • hwid in DH_SD-Chen-Leo-Single_MultiLang_PN_Stream3_V2.811.0000010.0.R.230215.bin: the device's own hardware check list, 4 IDs
  • Install in DH_SD-Chen-Leo-Single_MultiLang_PN_Stream3_V2.811.0000010.0.R.230215.bin: the installer's device list (board families), 1 ID, vendor Dahua (not counted: a more specific list exists)
  • check.img in DH_SD-Chen-Leo-Single_MultiLang_PN_Stream3_V2.811.0000010.0.R.230215.bin: the device's own hardware check list, 4 IDs

Technical details

Read from inside the firmware (zip archive).

Architecture
arm
OEM build
Dahua
Bootloader
U-Boot 2010.06-svn9540
Flash
256.0 MB
Image dates
Feb 15, 2023
Security
Signed, encrypted, security baseline V2.1
Language & video
English by default · 23 languages · PAL
Supported languages (23)

English, Italian, Spanish, Russian, French, German, Portuguese, Polish, Korean, Czech, Dutch, Arabic, SpanishEU, Turkish, Ukrainian, Hebrew, Hungarian, Romanian, Thai, Indonesian, Vietnamese, TradChinese, Japanese

Flash layout: 28 partitions, 10 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
mini-Boot0x00x1000001.0 MBdhboot-min.bin.img—2023-02-15
maxflash(ro)0x00x10000000256.0 MBnot written——
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2023-02-15
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2023-02-15
lens0x6000000x8000002.0 MBnot written——
dgs0x8000000x9000001.0 MBnot written——
config0x9000000xd000004.0 MBnot writtenubi—
backup0xd000000x11000004.0 MBnot writtenubi—
syslog0x11000000x15000004.0 MBnot writtenubi—
devconfig0x15000000x19000004.0 MBnot writtenubi—
custom(ro)0x19000000x1d000004.0 MBcustom-x.squashfs.imgsquashfs2023-02-15
product(ro)0x1d000000x21000004.0 MBpd-x.squashfs.imgsquashfs2023-02-15
Kernel(ro)0x21000000x24000003.0 MBkernel.img—2023-02-15
Kernelslv(ro)0x24000000x26000002.0 MBkernelslv.img—2023-02-15
web(ro)0x26000000x300000010.0 MBweb-x.squashfs.imgsquashfs2023-02-15
romfs(ro)0x30000000x640000052.0 MBromfs-x.squashfs.imgsquashfs2023-02-15
bakpart0x64000000x65000001.0 MBnot written——
bakcustom0x65000000x69000004.0 MBnot written——
bakproduct0x69000000x6d000004.0 MBnot written——
bakkernel0x6d000000x70000003.0 MBnot written——
bakkernelslv0x70000000x72000002.0 MBnot written——
bakweb0x72000000x7c0000010.0 MBnot written——
bakromfs0x7c000000xb00000052.0 MBnot written——
res(ro)0xb0000000xb5000005.0 MBnot written——
firmware(ro)0xb5000000xfb0000070.0 MBfirmware-x.squashfs.imgsquashfs2023-02-15
appData0xfb000000xff000004.0 MBnot writtenubi—

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 V2.1 may refuse this file, and after installing it you may not be able to downgrade to firmware with a lower baseline.