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Firmware

DH_VTO65XXX_Eng_PN_SIP_V4.511.0000000.0.R.211106(1).zip

Eltrox firmware released Nov 6, 2021. May work with 7 devices, including VTO6521F, VTO6521H, VTO6521H-D.

Released
Nov 6, 2021
Version
V4.511.0000000.0.R
Size
245.5 MB
Hardware
7 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
7935f64d44b9fcd53d79f3588204a969
SHA-256
9ad20360cecd78e66e49b91d880ca9e65223fec81c7b409d0f427f1cd09bab46

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (7 devices).

Where these IDs come from
  • hwid in DH_VTO65XXX_Eng_PN_SIP_V4.511.0000000.0.R.211106.bin: the device's own hardware check list, 7 IDs
  • Install in DH_VTO65XXX_Eng_PN_SIP_V4.511.0000000.0.R.211106.bin: the installer's device list (board families), 6 IDs, vendor Dahua (not counted: a more specific list exists)
  • check.img in DH_VTO65XXX_Eng_PN_SIP_V4.511.0000000.0.R.211106.bin: the device's own hardware check list, 7 IDs
  • check.img in firmware.bin: the device's own hardware check list, 7 IDs
  • Install in firmware.bin: the installer's device list (board families), 6 IDs, vendor Dahua (not counted: a more specific list exists)
  • Install in web-x.squashfs.bin: the installer's device list (board families), 6 IDs, vendor Dahua (not counted: a more specific list exists)
  • check.img in web-x.squashfs.bin: the device's own hardware check list, 7 IDs

Technical details

Read from inside the firmware (bundle of several firmwares). This file bundles 3 firmware images.

DH_VTO65XXX_Eng_PN_SIP_V4.511.0000000.0.R.211106.bin

Architecture
arm
OEM build
Dahua
Flash
17179869185.8 GB
Image dates
Nov 6, 2021
Security
Signed, encrypted
Language & video
English by default · PAL
Flash layout: 25 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—2021-11-06
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2021-11-06
Kernel0x6000000x100000010.0 MBkernel.img—2021-11-06
romfs(ro)0x10000000x8000000112.0 MBromfs-x.squashfs.imgsquashfs2021-11-06
data(ro)0x80000000xd00000080.0 MBdata-x.squashfs.imgsquashfs2021-11-06
dgs0xd0000000xd8000008.0 MBnot written——
ext0xd8000000xe0000008.0 MBnot writtenext4—
web(ro)0xe0000000x1200000064.0 MBweb-x.squashfs.imgsquashfs2021-11-06
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)0x23b000000x2d100000150.0 MBfirmware.imgsquashfs2021-11-06
backfirmware(ro)0x2d1000000x36700000150.0 MBnot written——
syslog0x367000000x3770000016.0 MBnot writtenext4—
config0x377000000x3970000032.0 MBnot writtenext4—
backup0x397000000x55900000450.0 MBnot writtenext4—
appdata10x559000000x75900000512.0 MBnot writtenext4—
appdata0x759000000x100000000758fffff17179869184.0 GBnot writtenext4—

firmware.bin

Architecture
arm
OEM build
Dahua
Image dates
Nov 6, 2021
Security
Signed, encrypted
Language & video
English by default · PAL
Flash layout: 1 partition, 1 written by this firmware

From the image headers (only partitions this firmware writes).

PartitionStartEndSizeImageFilesystemBuilt
firmware0x23b000000x2d100000150.0 MBfirmware.img—2021-11-06

web-x.squashfs.bin

Architecture
arm
OEM build
Dahua
Image dates
Nov 6, 2021
Security
Signed, encrypted, security baseline V2.1
Language & video
English by default · PAL
Flash layout: 1 partition, 1 written by this firmware

From the image headers (only partitions this firmware writes).

PartitionStartEndSizeImageFilesystemBuilt
web0xe0000000x1200000064.0 MBweb-x.squashfs.imgsquashfs2021-11-06

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 V2.1 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.