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Firmware

DH_VTO65XXX_MultiLang_PN_SIP_EMEA_V4.600.0000000.6.R.260624.zip

Dahua firmware released Oct 7, 2026. May work with 7 devices, including VTO6521F, VTO6521H, VTO6521H-D.

Released
Oct 7, 2026
Version
V4.600.0000000.6.R
Size
257.1 MB
Hardware
7 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
02b55d7a58367f142c4ac5bed175e537
SHA-256
8b1429f5c5a9aa31243c978fc33e39e71d42bf208abfe710b1208a362eac0465
Changelog
Release notes

Where it's published

Compatible hardware

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

Where these IDs come from
  • hwid in DH_VTO65XXX_MultiLang_PN_SIP_EMEA_V4.600.0000000.6.R.260624.bin: the device's own hardware check list, 7 IDs
  • Install in DH_VTO65XXX_MultiLang_PN_SIP_EMEA_V4.600.0000000.6.R.260624.bin: the installer's device list (board families), 7 IDs, vendor Dahua (not counted: a more specific list exists)
  • check.img in DH_VTO65XXX_MultiLang_PN_SIP_EMEA_V4.600.0000000.6.R.260624.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), 7 IDs, vendor Dahua (not counted: a more specific list exists)

Technical details

Read from inside the firmware (bundle of several firmwares). This file bundles 2 firmware images.

DH_VTO65XXX_MultiLang_PN_SIP_EMEA_V4.600.0000000.6.R.260624.bin

Architecture
arm
OEM build
Dahua
Flash
17179869185.8 GB
Image dates
Jun 24, 2026
Security
Signed, encrypted
Language & video
English by default · 14 languages · PAL
Supported languages (14)

English, BritishEnglish, Italian, Spanish, Russian, French, German, Portuguese, Turkey, Dutch, Ukrainian, Arabic, SpanishEU, PortugalBR

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—2026-06-24
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2026-06-24
Kernel0x6000000x100000010.0 MBkernel.img—2026-06-24
romfs(ro)0x10000000x8000000112.0 MBromfs-x.squashfs.imgsquashfs2026-06-24
data(ro)0x80000000xd00000080.0 MBdata-x.squashfs.imgsquashfs2026-06-24
dgs0xd0000000xd8000008.0 MBnot written——
ext0xd8000000xe0000008.0 MBnot writtenext4—
web(ro)0xe0000000x1200000064.0 MBweb-x.squashfs.imgsquashfs2026-06-24
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.imgsquashfs2026-06-24
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
Jun 24, 2026
Security
Signed, encrypted
Language & video
English by default · 14 languages · PAL
Supported languages (14)

English, BritishEnglish, Italian, Spanish, Russian, French, German, Portuguese, Turkey, Dutch, Ukrainian, Arabic, SpanishEU, PortugalBR

Flash layout: 1 partition, 1 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
firmware0x23b000000x2d100000150.0 MBfirmware.img—2026-06-24

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