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Firmware

Customer_NVR4XXX-I_Eng_Amecrest-10002_V4.000.00AC000.0.R.20220121.bin

Amcrest firmware released Jan 21, 2022. May work with 1 device.

Released
Jan 21, 2022
Version
V4.000.00AC000
Size
115.0 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
7e46b3547a50e7437f95edf98d918e36
SHA-256
7dd68bddb68075693766cdc57d22aef79bfba7ee664274cc0b069a3c558dd6a7
Changelog
Release notes

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (1 device). Names with placeholders such as x or XXX are board families.

Where these IDs come from
  • Install.lua: the installer script's board checks, 2 IDs

Technical details

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

SoC
HiSilicon Hi3519AV100
Architecture
arm
Bootloader
U-Boot 2016.11-svn3151
Flash
1.0 GB
Image dates
Jan 21, 2022
Security
Signed, upgrade security version V2.0
Flash layout: 11 partitions, 7 written by this firmware

From the recorder's Install.lua partition table.

PartitionStartEndSizeImageFilesystemBuilt
updateboot0x1000000x2000001.0 MBu-boot.bin.img—2022-01-21
boot0x2000000x6000004.0 MBnot written——
rootfs0x6000000x2e0000040.0 MBromfs-x.squashfs.imgsquashfs2022-01-21
userfs0x2e000000xe000000178.0 MBuserfs-x.squashfs.imgsquashfs2022-01-21
web0xe0000000xfe0000030.0 MBweb-x.squashfs.imgsquashfs2022-01-21
custom0xfe000000x101000003.0 MBcustom-x.squashfs.imgsquashfs2022-01-21
logo0x101000000x106000005.0 MBlogo-x.squashfs.imgsquashfs2022-01-21
config0x106000000x11a0000020.0 MBnot written——
logs0x11a000000x1380000030.0 MBnot written——
extend0x138000000x20000000200.0 MBnot written——
algorithm0x200000000x40000000512.0 MBalgorithm.img—2022-01-21

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