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Firmware

General_NVR4xxx_Eng_PN_V3.202.0000.1.R.20170221.bin

ASM firmware released Feb 21, 2017. May work with 3 devices, including N6.

Released
Feb 21, 2017
Version
V3.202.0000.1.R
Size
13.9 MB
Hardware
3 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
6cc8cf9fc5bb6b0016c272dce67dfb01
SHA-256
58e7e4021de27f78c77ab9380b180aeb1740a4f41aae9e59a1b75cf5f0764232

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (3 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, 4 IDs

Technical details

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

SoC
HiSilicon Hi3535
Architecture
arm
Bootloader
U-Boot 2010.06-svn2587
Flash
16.0 MB
Image dates
Feb 21, 2017
Security
Signed, not encrypted
Flash layout: 7 partitions, 5 written by this firmware

From the recorder's Install.lua partition table.

PartitionStartEndSizeImageFilesystemBuilt
boot0xa00000000xa0040000256.0 KBu-boot.bin.img—2017-02-21
rootfs0xa00600000xa0ce000012.5 MBromfs-x.cramfs.imgsquashfs2017-02-21
web0xa0ce00000xa0e600001.5 MBweb-x.cramfs.imgsquashfs2017-02-21
custom0xa0e600000xa0e80000128.0 KBcustom-x.cramfs.imgcramfs2017-02-21
logo0xa0e800000xa0ec0000256.0 KBlogo-x.cramfs.imgcramfs2017-02-21
config0xa0ec00000xa0f40000512.0 KBnot written——
config10xa0f400000xa1000000768.0 KBnot written——

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