Skip to content

Firmware

Customer_NVR2X-S2_Eng_P_9Language_DH_V3.205.9996000.0.T.20180320.bin

ASM firmware released Mar 20, 2018. May work with 2 devices, including N6.

Released
Mar 20, 2018
Version
V3.205.9996000.0.T
Size
13.4 MB
Hardware
2 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
97ff78e4eadb2ef62b2ffc5a363ae7fa
SHA-256
4f3e37528db7054a57fab89fd8bccb6ce7dbc99523a57ba60a4f5d4008e9f50e

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (2 devices). Names with placeholders such as x or XXX are board families.

Where these IDs come from
  • Install.lua: the installer script's board checks, 3 IDs

Technical details

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

SoC
HiSilicon: one of Hi3520DV300, Hi3521A, Hi3531A
Architecture
arm
Bootloader
U-Boot 2010.06-svn2926
Flash
16.0 MB
Image dates
Mar 20, 2018
Security
Signed, not encrypted
Flash layout: 8 partitions, 5 written by this firmware

From the recorder's Install.lua partition table.

PartitionStartEndSizeImageFilesystemBuilt
boot0xa00000000xa0050000320.0 KBu-boot.bin.img—2018-03-20
rootfs0xa00600000xa0ca000012.3 MBromfs-x.cramfs.imgsquashfs2018-03-20
Log0xa0ca00000xa0da00001.0 MBnot written——
web0xa0da00000xa0f400001.6 MBweb-x.cramfs.imgsquashfs2018-03-20
custom0xa0f400000xa0f60000128.0 KBcustom-x.cramfs.imgcramfs2018-03-20
logo0xa0f600000xa0f80000128.0 KBlogo-x.cramfs.imgcramfs2018-03-20
config0xa0f800000xa0fe0000384.0 KBnot written——
backup0xa0fe00000xa1000000128.0 KBnot written——

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