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Firmware

Customer_VTO65XXX_Eng_NP_SIP_V4.300.9806001.0.R.20201122.zip

Dahua firmware released Nov 22, 2020. May work with 6 devices, including VTO6521F, VTO6521H, VTO6521H-D.

Released
Nov 22, 2020
Version
V4.300.9806001.0.R
Size
146.2 MB
Hardware
6 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
dfb5bfb87b4c435ee66c8fd78e0cca93
SHA-256
5246cc3a43fbbf6050826d56a0f0ce5dd665c2bde940a6c0af41f2c38c26d5aa

Where it's published

Compatible hardware

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

Where these IDs come from
  • hwid in Customer_VTO65XXX_Eng_NP_SIP_V4.300.9806001.0.R.20201122.bin: the device's own hardware check list, 6 IDs
  • Install in Customer_VTO65XXX_Eng_NP_SIP_V4.300.9806001.0.R.20201122.bin: the installer's device list (board families), 5 IDs, vendor General (not counted: a more specific list exists)
  • check.img in Customer_VTO65XXX_Eng_NP_SIP_V4.300.9806001.0.R.20201122.bin: the device's own hardware check list, 6 IDs

Technical details

Read from inside the firmware (zip archive).

Architecture
arm
OEM build
General
Flash
17179869185.8 GB
Image dates
Nov 22, 2020
Security
Signed, security baseline V2.0
Language & video
English by default · NTSC
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—2020-11-22
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2020-11-22
Kernel0x6000000x100000010.0 MBkernel.img—2020-11-22
romfs(ro)0x10000000x8000000112.0 MBromfs-x.squashfs.imgsquashfs2020-11-22
data(ro)0x80000000xd00000080.0 MBdata-x.squashfs.imgsquashfs2020-11-22
dgs0xd0000000xd8000008.0 MBnot written——
ext0xd8000000xe0000008.0 MBnot writtenext4—
web(ro)0xe0000000x1200000064.0 MBweb-x.squashfs.imgsquashfs2020-11-22
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.imgsquashfs2020-11-22
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.