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Firmware

DH_SD-Taurus_MultiLang_PN_Stream3-Normal_V2.820.0000008.0.R.220519.bin

Dahua firmware released May 19, 2022. May work with 21 devices, including CA-HZ2023GB-A, CA-HZ2023GB1-B, CA-HZ2025GB-A.

Released
May 19, 2022
Version
V2.820.0000008.0.R
Size
211.0 MB
Hardware
21 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
88cdad852cda0a7b363e31f7c5d09963
SHA-256
d26e09d2ada6fd0d106cc837b9a3b38b2b5a711af272b8c181cd12ef44eca30f

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (21 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 21 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, 21 IDs
  • hwid in check.bin: the device's own hardware check list, 21 IDs
  • Install in check.bin: the installer's device list (board families), 1 ID, vendor General (not counted: a more specific list exists)
  • check.img in check.bin: the device's own hardware check list, 21 IDs

Technical details

Read from inside the firmware (dahua ptz package). This file bundles 2 firmware images.

Firmware image

Architecture
arm
OEM build
General
Image dates
May 19, 2022
Security
Signed, encrypted
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: 9 partitions, 9 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
mini-boot0x00x1000001.0 MBdhboot-min.bin.img—2022-05-19
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2022-05-19
dtb0x5000000x6000001.0 MBdhdtb.bin.img—2022-05-19
pd0x42000000x4a000008.0 MBpd-x.squashfs.imgsquashfs2022-05-19
kernel0x4a000000x560000012.0 MBkernel.img—2022-05-19
web0x56000000x760000032.0 MBweb-x.squashfs.imgsquashfs2022-05-19
rootfs0x76000000xd60000096.0 MBromfs-x.squashfs.imgsquashfs2022-05-19
firmware0x1ab000000x22b00000128.0 MBfirmware-x.ext4_aa.img—2022-05-19
firmware0x22b000000x32b00000256.0 MBfirmware-x.ext4_ab.img—2022-05-19

check.bin

Architecture
arm
OEM build
General
Image dates
May 19, 2022
Security
Signed
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

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