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Firmware

General_SD-Taurus_MultiLang_PN_Stream3-Normal_V3.200.0000027.3.R.260121.bin

ENS Security firmware released Jan 21, 2026. May work with 77 devices, including CA-HZ2020GB-A, CA-HZ2023GB-A, CA-HZ2023GB-B.

Released
Jan 21, 2026
Version
V3.200.0000027.3.R
Size
418.6 MB
Hardware
77 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
2c38ed1ef187410745344f73c110f507
SHA-256
ee59e8c0421beaa37e4efad7efb9357e1b8a5a95ba1d476fcc8c613c55b972bd

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (77 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 77 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, 77 IDs
  • hwid in check.bin: the device's own hardware check list, 77 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, 77 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
Language & video
English by default · 23 languages · PAL
Software version
V3.200.0000027.3.R.260121
Supported languages (23)

English, Italian, Spanish, Russian, French, German, Portugal, Poland, Korean, Czechish, Dutch, Arabic, SpanishEU, Turkey, Ukrainian, Hebrew, Hungarian, Romanian, Thai, Indonesian, 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
V3.200.0000027.3.R.260121
Supported languages (23)

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

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