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Firmware

Amcrest_HCVR7x04-4K_Eng_N_V3.218.00AC000.1.T.180316.bin

Amcrest firmware released Mar 16, 2018. May work with 1 device.

Released
Mar 16, 2018
Version
V3.218.00AC000.1.T
Size
21.6 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
20818582e61e3b4e9a7bc00a4752b8c6
SHA-256
26e680dc5c2895649c4e41c5cc76e77f92107bb7a2ee37786205475858d33049

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: one of Hi3520DV300, Hi3521A, Hi3531A
Architecture
arm
Bootloader
U-Boot 2010.06-svn2824
Flash
32.0 MB
Image dates
Mar 16, 2018
Security
Signed, not encrypted
Flash layout: 6 partitions, 5 written by this firmware

From the recorder's Install.lua partition table.

PartitionStartEndSizeImageFilesystemBuilt
boot0xa00000000xa0070000448.0 KBu-boot.bin.img—2018-03-16
rootfs0xa00800000xa188000024.0 MBromfs-x.cramfs.imgsquashfs2018-03-16
web0xa18800000xa1d800005.0 MBweb-x.cramfs.imgsquashfs2018-03-16
custom0xa1d800000xa1e00000512.0 KBcustom-x.cramfs.imgcramfs2018-03-16
logo0xa1e000000xa1ec0000768.0 KBlogo-x.cramfs.imgcramfs2018-03-16
config0xa1ec00000xa20000001.3 MBnot written——

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