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Firmware

General_SD-Gauss_MultiLang_PN_Stream3-xiaobei_V3.201.0000002.1.R.250918.bin

ENS Security firmware released Sep 18, 2025. May work with 10 devices, including SD-MT2A4000DB-A, SD-MT3A4004DB-A, SD-MT3E2005DB-A.

Released
Sep 18, 2025
Version
V3.201.0000002.1.R
Size
88.6 MB
Hardware
10 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
dd4a19338068aa387d1683e91834652c
SHA-256
0c09af7b1ec7b54cdba65bb1253d88054fe15fac2634006885fa4a9683f5fb95

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (10 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 10 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, 10 IDs
  • hwid in check.bin: the device's own hardware check list, 10 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, 10 IDs

Technical details

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

Firmware image

SoC
Novatek NT98560
Architecture
arm
OEM build
General
Bootloader
U-Boot 2019.04-svn14639
Image dates
Sep 17, 2025
Security
Signed, encrypted, security baseline V2.4
Language & video
English by default · 23 languages · PAL
Software version
V3.201.0000002.1.R.250918
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: 11 partitions, 11 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
dtb0x400000x80000256.0 KBdhdtb.bin.img—2025-09-17
mini-boot0xc00000x140000512.0 KBdhboot-min.bin.img—2025-09-17
bootloader0x2400000x3400001.0 MBdhboot.bin.img—2025-09-17
rootfs0x18400000x3e4000038.0 MBromfs-x.squashfs.imgsquashfs2025-09-17
firmware0x3e400000x644000038.0 MBfirmware-x.squashfs.imgsquashfs2025-09-17
custom0x64400000x68400004.0 MBcustom-x.squashfs.imgsquashfs2025-09-17
kernel0x68400000x6c400004.0 MBkernel.img—2025-09-17
web0x6c400000x6f400003.0 MBkernel-aol.img—2025-09-17
web0x6c400000x7c4000016.0 MBweb-x.squashfs.imgsquashfs2025-09-17
web0x6f400000x7b4000012.0 MBrollback-aol.squashfs.imgsquashfs2025-09-17
pd0x7c400000x7f400003.0 MBpd-x.squashfs.imgsquashfs2025-09-17

check.bin

Architecture
arm
OEM build
General
Image dates
Sep 17, 2025
Security
Signed, security baseline V2.4
Language & video
English by default · 23 languages · PAL
Software version
V3.201.0000002.1.R.250918
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

About the security baseline: firmware with a higher security baseline can stop a device going back to older firmware. A device already on a higher baseline than V2.4 may refuse this file, and after installing it you may not be able to downgrade to firmware with a lower baseline.

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