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Firmware

General_SD-Eos_MultiLang_NP_Stream3_V2.812.0000017.3.R.260827.bin

ENS Security firmware released Aug 27, 2026. May work with 71 devices, including CA-HZ1020U, CA-HZ1020U1, CA-HZ1023MU.

Released
Aug 27, 2026
Version
V2.812.0000017.3.R
Size
36.7 MB
Hardware
71 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
fc23bd8b652bad4b8ff53917a378c775
SHA-256
e145212f1e5202f78e37f73bb479d7889d8cf2917734fe692a2e3be6b8a3bfd0

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (71 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 71 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, 71 IDs

Technical details

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

Architecture
arm
OEM build
General
Flash
128.0 MB
Image dates
Aug 27, 2026
Security
Signed
Language & video
English by default · 23 languages · NTSC
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: 17 partitions, 8 written by this firmware

From the firmware's partition table (partitionV2.txt).

PartitionStartEndSizeImageFilesystemBuilt
upmcu00x00x1000001.0 MBnot written——
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2026-08-27
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2026-08-27
custom(ro)0x6000000x9800003.5 MBcustom-x.squashfs.imgsquashfs2026-08-27
product(ro)0x9800000xd000003.5 MBpd-x.squashfs.imgsquashfs2026-08-27
Kernel0xd000000x12000005.0 MBkernel.img—2026-08-27
romfs(ro)0x12000000x1a000008.0 MBromfs-x.squashfs.imgsquashfs2026-08-27
web(ro)0x1a000000x22000008.0 MBweb-x.squashfs.imgsquashfs2026-08-27
user(ro)0x22000000x3a8000024.5 MBuser-x.squashfs.imgsquashfs2026-08-27
lens0x71000000x72000001.0 MBnot written——
syslog0x72000000x76000004.0 MBnot writtenubi—
config0x76000000x7a000004.0 MBnot writtenubi—
backup0x7a000000x7e000004.0 MBnot writtenubi—
devconfig0x7e000000x7f000001.0 MBnot writtenjffs2—
dgs0x7f000000x80000001.0 MBnot written——

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