Skip to content

Firmware

DH_TPC-SD8X42A-BC_MultiLang_PN_V2.653.0000000.4.R.250714.zip

Dahua firmware released Jul 14, 2025. May work with 3 devices, including TPC-SD8442A-BCZ45-S2, TPC-SD8642A-BCZ45-S2.

Released
Jul 14, 2025
Version
V2.653.0000000.4.R
Size
155.4 MB
Hardware
3 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
531c59d721e8b7c4d316412e165c59b0
SHA-256
0b1deaa6265a41586c8f3f575a5c9a3a73026a0682005851758c9e79737bc207

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (3 devices). Names with placeholders such as x or XXX are board families.

Where these IDs come from
  • hwid in DH_TPC-SD8X42A-BC_MultiLang_PN_V2.653.0000000.4.R.250714.bin: the device's own hardware check list, 2 IDs
  • Install in DH_TPC-SD8X42A-BC_MultiLang_PN_V2.653.0000000.4.R.250714.bin: the installer's device list (board families), 1 ID, vendor General (not counted: a more specific list exists)
  • check.img in DH_TPC-SD8X42A-BC_MultiLang_PN_V2.653.0000000.4.R.250714.bin: the device's own hardware check list, 2 IDs
  • Install in Packet-wdtmcu.bin: the installer's device list (board families), 1 ID

Technical details

Read from inside the firmware (bundle of several firmwares). This file bundles 3 firmware images.

DH_TPC-SD8X42A-BC_MultiLang_PN_V2.653.0000000.4.R.250714.bin

Architecture
arm
OEM build
General
Bootloader
U-Boot 2016.11-svn17681
Flash
3.5 GB
Image dates
Jul 14, 2025
Security
Signed
Language & video
English by default · 15 languages · PAL
Supported languages (15)

English, Italian, Spanish, Japanese, Russian, French, German, Portuguese, Turkish, Polish, Korean, Czech, Dutch, Arabic, SpanishEU

Flash layout: 28 partitions, 9 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
mini-Boot0x00x1000001.0 MBdhboot-min.bin.img—2025-07-14
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2025-07-14
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2025-07-14
lens0x6000000xa000004.0 MBnot written——
dgs0xa000000xe000004.0 MBnot written——
config0xe000000x1e0000016.0 MBnot written——
backup0x1e000000x2e0000016.0 MBnot written——
syslog0x2e000000x3e0000016.0 MBnot written——
devconfig0x3e000000x4e0000016.0 MBnot written——
custom(ro)0x4e000000x52000004.0 MBcustom-x.squashfs.imgsquashfs2025-07-14
product(ro)0x52000000x56000004.0 MBpd-x.squashfs.imgsquashfs2025-07-14
Kernel0x56000000x660000016.0 MBkernel.img—2025-07-14
web(ro)0x66000000x860000032.0 MBweb-x.squashfs.imgsquashfs2025-07-14
romfs(ro)0x86000000x18600000256.0 MBromfs-x.squashfs.imgsquashfs2025-07-14
backpart0x186000000x187000001.0 MBnot written——
bakcustom0x187000000x18b000004.0 MBnot written——
backproduct0x18b000000x18f000004.0 MBnot written——
backkernel0x18f000000x19f0000016.0 MBnot written——
backweb0x19f000000x1bf0000032.0 MBnot written——
backromfs0x1bf000000x2bf00000256.0 MBnot written——
firmware(ro)0x2bf000000x7bf000001.3 GBfirmware-x.squashfs.imgsquashfs2025-07-14
bakfirmware0x7bf000000xcbf000001.3 GBnot written——
sfmw0xcbf000000xcc0000001.0 MBnot writtenext4—
appdata0xcc0000000xdc000000256.0 MBnot writtenext4—
data0xdc0000000xde00000032.0 MBnot writtenext4—
ext0xde0000000xe000000032.0 MBnot writtenext4—

wdtmcu.zip

Architecture
arm
Image dates
Jul 14, 2025
Security
Not signed, encrypted
Flash layout: 1 partition, 1 written by this firmware

From the image headers (only partitions this firmware writes).

PartitionStartEndSizeImageFilesystemBuilt
wdtmcu0x80000000x88000008.0 MBwdtmcu.img—2025-07-14

Packet-wdtmcu.bin

Architecture
arm
Image dates
Jul 14, 2025
Security
Signed, encrypted
Flash layout: 1 partition, 1 written by this firmware

From the image headers (only partitions this firmware writes).

PartitionStartEndSizeImageFilesystemBuilt
camera80x80000000x88000008.0 MBwdtmcu.img—2025-07-14

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