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Firmware

DH_IPC-HX3XXX-Dalton_MultiLang_PN_Stream3_V2.820.0000000.18.R.210705.bin

CCTV App firmware released Jul 5, 2021. May work with 17 devices, including IPC-HDBW3841E-AS, IPC-HDBW3841E-S, IPC-HDBW3841R-ZAS.

Released
Jul 5, 2021
Version
V2.820.0000000.18.R
Size
48.2 MB
Hardware
17 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
fe694192840557679615e06dfce8944a
SHA-256
ca060b768b05a0aec53ba3dcc8f71d0711e6b7d37ddb08d14594c9284a94af15

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (17 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 17 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, 17 IDs

Technical details

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

Architecture
arm
OEM build
General
Image dates
Jul 5, 2021
Security
Signed, encrypted
Language & video
English by default · 23 languages · PAL
Supported languages (23)

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

Flash layout: 9 partitions, 9 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
mini-boot0x00x1400001.3 MBdhboot-min.bin.img—2021-07-05
U-Boot0x1400000x4000002.8 MBdhboot.bin.img—2021-07-05
dtb0x6000000x7000001.0 MBdhdtb.bin.imgcramfs2021-07-05
firmware0x18000000x21800009.5 MBfirmware-x.squashfs.imgsquashfs2021-07-05
pd0x21800000x23800002.0 MBpd-x.squashfs.imgsquashfs2021-07-05
kernel0x23800000x29800006.0 MBkernel.img—2021-07-05
rootfs0x29800000x438000026.0 MBromfs-x.squashfs.imgsquashfs2021-07-05
web0x43800000x4b800008.0 MBweb-x.squashfs.imgsquashfs2021-07-05
firmwareExt0x4c800000x56000009.5 MBfirmware-x-Ext.squashfs.imgsquashfs2021-07-05

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