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Firmware

General_NVR2XXX-I2_Mul_V4.002.0000000.0.R.210709.bin

Viatec firmware released Jul 9, 2021. May work with 1 device.

Released
Jul 9, 2021
Version
V4.002.0000000.0.R
Size
81.8 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
268619544090ff9eba368d0f163a2fac
SHA-256
687652f5946cd3bd989cdf679390512d848663cddc4c5fa8f0a37bccc80def50

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
Novatek: one of NT98323, NT98321
Architecture
arm
Bootloader
U-Boot 2016.07-svn5246
Flash
384.0 MB
Image dates
Jul 9, 2021
Security
Signed, upgrade security version 2.00
Flash layout: 12 partitions, 7 written by this firmware

From the recorder's Install.lua partition table.

PartitionStartEndSizeImageFilesystemBuilt
loader0xa00000000xa0040000256.0 KBnot written——
fdt0xa00400000xa0080000256.0 KBfdt.bin.img—2021-07-09
uboot0xa00c00000xa02c00002.0 MBu-boot.bin.img—2021-07-09
uenv0xa02c00000xa04400001.5 MBnot written——
rootfs0xa04400000xa378000051.3 MBromfs-x.squashfs.imgsquashfs2021-07-09
custom0xa37800000xa39800002.0 MBcustom-x.squashfs.imgsquashfs2021-07-09
web0xa39800000xa488000015.0 MBweb-x.squashfs.imgsquashfs2021-07-09
logo0xa48800000xa4a800002.0 MBlogo-x.squashfs.imgsquashfs2021-07-09
dgs0xa4a800000xa4b00000512.0 KBnot written——
ext_usr0xa4b000000xa700000037.0 MBext_usr-x.squashfs.imgsquashfs2021-07-09
config_fw0xa70000000xa76000006.0 MBnot written——
config0xa76000000xb8000000266.0 MBnot written——

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