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Firmware

DH_VTO65XXX_Eng_PN_V4.300.0000000.6.R.20200402.bin

Viatec firmware released Apr 2, 2020. May work with 6 devices, including VTO6521F, VTO6521H, VTO6521H-D.

Released
Apr 2, 2020
Version
V4.300.0000000.6.R
Size
135.6 MB
Hardware
6 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
c4a74dbd7c8aaadc4e78341fc5e9c17c
SHA-256
9f1ccdd84a17d46124790d57b82ca5cc7e36a33097b9fe42ab2d44deb9706aed

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (6 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 6 IDs
  • Install: the installer's device list (board families), 5 IDs, vendor Dahua (not counted: a more specific list exists)
  • check.img: the device's own hardware check list, 6 IDs

Technical details

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

Architecture
arm
OEM build
Dahua
Flash
17179869185.8 GB
Image dates
Apr 2, 2020
Security
Signed, encrypted, security baseline V2.0
Language & video
English by default · PAL
Flash layout: 24 partitions, 7 written by this firmware

From the firmware's partition table (partitionV2.txt).

PartitionStartEndSizeImageFilesystemBuilt
mini-Boot0x00x1000001.0 MBnot written——
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2020-04-02
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2020-04-02
Kernel0x6000000x100000010.0 MBkernel.img—2020-04-02
romfs(ro)0x10000000x8000000112.0 MBromfs-x.squashfs.imgsquashfs2020-04-02
data(ro)0x80000000xd00000080.0 MBdata-x.squashfs.imgsquashfs2020-04-02
dgs0xd0000000xd8000008.0 MBnot written——
ext0xd8000000xe0000008.0 MBnot writtenext4—
web(ro)0xe0000000x1200000064.0 MBweb-x.squashfs.imgsquashfs2020-04-02
backpart(ro)0x120000000x121000001.0 MBnot written——
backkernel(ro)0x121000000x12b0000010.0 MBnot written——
backromfs(ro)0x12b000000x19b00000112.0 MBnot written——
backdata(ro)0x19b000000x1eb0000080.0 MBnot written——
backcustom(ro)0x1eb000000x1f3000008.0 MBnot written——
backproduct(ro)0x1f3000000x1fb000008.0 MBnot written——
backweb(ro)0x1fb000000x23b0000064.0 MBnot written——
firmware(ro)0x23b000000x36700000300.0 MBfirmware.imgsquashfs2020-04-02
syslog0x367000000x3770000016.0 MBnot writtenext4—
config0x377000000x3970000032.0 MBnot writtenext4—
backup0x397000000x55900000450.0 MBnot writtenext4—
appdata10x559000000x75900000512.0 MBnot writtenext4—
appdata0x759000000x100000000758fffff17179869184.0 GBnot writtenext4—

About the security baseline: firmware with a higher security baseline can stop a device going back to older firmware. A device already on a higher baseline than V2.0 may refuse this file, and after installing it you may not be able to downgrade to firmware with a lower baseline.

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