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Firmware

General_SD-Taurus_MultiLang_PN_Stream3-Normal_V3.200.0000018.4.R.260121.bin

ENS Security and EmpireTech firmware released Jan 21, 2026. May work with 74 devices, including CA-HZ2020GB-A, CA-HZ2023GB-A, CA-HZ2023GB-B.

Released
Jan 21, 2026
Version
V3.200.0000018.4.R
Size
431.8 MB
Hardware
74 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
1e52982510f26b976efc5965a962def6
SHA-256
5ca91d0c6283fe825767bc0aeca76ada18de9aa859c62afe684660ba1230f4a0
Changelog
Release notes

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (74 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 74 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, 74 IDs
  • hwid in check.bin: the device's own hardware check list, 74 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, 74 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
Jan 21, 2026
Security
Signed, encrypted
Language & video
English by default · 23 languages · PAL
Software version
V3.200.0000018.4.R.260121
Supported languages (23)

English, Italian, Spanish, Russian, French, German, Portugal, Poland, Korean, Czechish, Dutch, Arabic, SpanishEU, Turkey, Ukrainian, Hebrew, Hungarian, Romanian, Thai, Indonesia, Vietnamese, TradChinese, Japanese

Flash layout: 10 partitions, 10 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
mini-boot0x00x1000001.0 MBdhboot-min.bin.img—2026-01-21
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2026-01-21
dtb0x5000000x6000001.0 MBdhdtb.bin.img—2026-01-21
pd0x42000000x4a000008.0 MBpd-x.squashfs.imgsquashfs2026-01-21
kernel0x4a000000x560000012.0 MBkernel.img—2026-01-21
web0x56000000x760000032.0 MBweb-x.squashfs.imgsquashfs2026-01-21
rootfs0x76000000xd60000096.0 MBromfs-x.squashfs.imgsquashfs2026-01-21
firmware0x1ab000000x32b00000384.0 MBfirmware-x.ext4_aa.img—2026-01-21
firmware0x22b000000x32b00000256.0 MBfirmware-x.ext4_ab.img—2026-01-21
firmware0x2ab000000x32b00000128.0 MBfirmware-x.ext4_ac.img—2026-01-21

check.bin

Architecture
arm
OEM build
General
Image dates
Jan 21, 2026
Security
Signed
Language & video
English by default · 23 languages · PAL
Software version
V3.200.0000018.4.R.260121
Supported languages (23)

English, Italian, Spanish, Russian, French, German, Portugal, Poland, Korean, Czechish, Dutch, Arabic, SpanishEU, Turkey, Ukrainian, Hebrew, Hungarian, Romanian, Thai, Indonesia, Vietnamese, TradChinese, Japanese

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