Skip to content

Firmware

DH_TPC-SD2X41-B-S2_MultiLang_PN_V2.651.0000000.6.R.260317.zip

Dahua firmware released Apr 1, 2026. May work with 8 devices, including TPC-SD2241-B-S2, TPC-SD2241-B10F12-S2, TPC-SD2241-TB-S2.

Released
Apr 1, 2026
Version
V2.651.0000000.6.R
Size
164.5 MB
Hardware
8 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
cdd986069693c23e5ff17ddb52604f9d
SHA-256
612ba325861be415be130cb376a43ba6743817a557d5fa5bc877a9fb93df6ceb
Changelog
Release notes

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (8 devices).

Where these IDs come from
  • hwid in DH_TPC-SD2X41-B-S2_MultiLang_PN_V2.651.0000000.6.R.260317.bin: the device's own hardware check list, 8 IDs
  • Install in DH_TPC-SD2X41-B-S2_MultiLang_PN_V2.651.0000000.6.R.260317.bin: the installer's device list (board families), 1 ID, vendor General (not counted: a more specific list exists)
  • check.img in DH_TPC-SD2X41-B-S2_MultiLang_PN_V2.651.0000000.6.R.260317.bin: the device's own hardware check list, 8 IDs

Technical details

Read from inside the firmware (zip archive).

SoC
HiSilicon: one of Hi3559AV100, Hi3519AV100, Hi3516EV300
Architecture
arm
OEM build
General
Bootloader
U-Boot 2016.11-svn17984
Flash
3.5 GB
Image dates
Mar 17, 2026
Security
Signed
Language & video
English by default · 19 languages · PAL
Supported languages (19)

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

Flash layout: 28 partitions, 8 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
mini-Boot0x00x1000001.0 MBnot written——
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2026-03-17
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2026-03-17
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.imgsquashfs2026-03-17
product(ro)0x52000000x56000004.0 MBpd-x.squashfs.imgsquashfs2026-03-17
Kernel0x56000000x660000016.0 MBkernel.img—2026-03-17
web(ro)0x66000000x860000032.0 MBweb-x.squashfs.imgsquashfs2026-03-17
romfs(ro)0x86000000x18600000256.0 MBromfs-x.squashfs.imgsquashfs2026-03-17
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.imgsquashfs2026-03-17
bakfirmware0x7bf000000xcbf000001.3 GBnot written——
sfmw0xcbf000000xcc0000001.0 MBnot writtenext4—
appdata0xcc0000000xdc000000256.0 MBnot writtenext4—
data0xdc0000000xde00000032.0 MBnot writtenext4—
ext0xde0000000xe000000032.0 MBnot writtenext4—

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