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Firmware

DH_IPC-HX3XXX-Dalton_MultiLang_PN_Stream3_V2.820.0000000.20.R.210817.bin

Dahua firmware released Aug 17, 2021. May work with 17 devices, including IPC-HDBW3841E-AS, IPC-HDBW3841E-S, IPC-HDBW3841R-ZAS.

Released
Aug 17, 2021
Version
V2.820.0000000.20.R
Size
48.2 MB
Hardware
17 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
1bf2d1742ee975e212908aaeb13b0137
SHA-256
5f6470433e10cb05c6745dd97301f4b129ebf7871c7072dfec9acd2474ba9194

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
Aug 17, 2021
Security
Signed
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—2021-08-17
U-Boot0x1400000x4000002.8 MBdhboot.bin.img—2021-08-17
dtb0x6000000x7000001.0 MBdhdtb.bin.imgcramfs2021-08-17
firmware0x18000000x21800009.5 MBfirmware-x.squashfs.imgsquashfs2021-08-17
pd0x21800000x23800002.0 MBpd-x.squashfs.imgsquashfs2021-08-17
kernel0x23800000x29800006.0 MBkernel.img—2021-08-17
rootfs0x29800000x438000026.0 MBromfs-x.squashfs.imgsquashfs2021-08-17
web0x43800000x4b800008.0 MBweb-x.squashfs.imgsquashfs2021-08-17
firmwareExt0x4c800000x56000009.5 MBfirmware-x-Ext.squashfs.imgsquashfs2021-08-17

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