Firmware
General_VTHX421H_MultiLang_SIP_EMEA_V4.700.0000000.1.R.231130_part1.bin
Dahua firmware released Nov 30, 2023. May work with 10 devices, including VTH2421F, VTH2421FS-SH, VTH2421F_R.
- Released
- Nov 30, 2023
- Version
- V4.700.0000000.1.R
- Size
- 17.0 MB
- Hardware
- 10 devices
Download
Permanent copy on the Internet Archive (item page)
- MD5
3321b902ccc756e7911d5a1074bb4f2c- SHA-256
4d4f678cdcb44bfe80514bfe031a868e8b9768199a968ecc31bdaa2642409f80
Where it's published
Mirrored by
Dahua
files.dahuatech.support
MirrorSold as
- Folder: VDP/VTH/V4.7/VTHX421H/old/Neutral
V4.700.0000000.1.R · Listed date Nov 30, 2023
Compatible hardware
Hardware IDs this firmware's installer accepts (10 devices).
- VTH2421F
- VTH2421FS-SH
- VTH2421F_R
- VTH5221D-S
- VTH5221D-S-SH
- VTH5241D-S
- VTH5241D-S-SH
- VTH5421CH
- VTH5421E-H
- VTH5441G
Where these IDs come from
- Install: the installer's device list (board families), 10 IDs, vendor General
Technical details
Read from inside the firmware (dahua package (zip variant)).
- Architecture
- arm
- OEM build
- General
- Bootloader
- U-Boot 2011.09-rc1-svn6551
- Flash
- 40.0 MB
- Image dates
- Nov 30, 2023
- Security
- Signed, security baseline V2.3
- Language & video
- English by default · 14 languages · PAL
Supported languages (14)
English, BritishEnglish, Italian, Spanish, Russian, French, German, Portuguese, Dutch, Ukrainian, Arabic, SpanishEU, PortugalBR, Hebrew
Flash layout: 13 partitions, 9 written by this firmware
From the firmware's partition table (partitionV2.txt).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| boot0 | 0x0 | 0x40000 | 256.0 KB | boot0.bin.img | — | 2023-11-30 |
| boot | 0x40000 | 0x280000 | 2.3 MB | uboot.bin.img | — | 2023-11-30 |
| mbr | 0x280000 | 0x2a0000 | 128.0 KB | mbr.img | — | 2023-11-30 |
| env | 0x2a0000 | 0x2c0000 | 128.0 KB | not written | — | — |
| updateflag | 0x2c0000 | 0x3c0000 | 1.0 MB | not written | — | — |
| partition(ro) | 0x3c0000 | 0x4c0000 | 1.0 MB | partition-x.cramfs.img | cramfs | 2023-11-30 |
| kernel | 0x4c0000 | 0x9c0000 | 5.0 MB | kernel-x.cramfs.img | cramfs | 2023-11-30 |
| romfs(ro) | 0x9c0000 | 0xec0000 | 5.0 MB | not written | cramfs | — |
| logo(ro) | 0xec0000 | 0xee0000 | 128.0 KB | not written | — | — |
| web(ro) | 0xee0000 | 0x13e0000 | 5.0 MB | web-x.cramfs.img | cramfs | 2023-11-30 |
| data(ro) | 0x13e0000 | 0x18e0000 | 5.0 MB | data-x.cramfs.img | cramfs | 2023-11-30 |
| usr(ro) | 0x18e0000 | 0x27e0000 | 15.0 MB | usr-x.cramfs.img | cramfs | 2023-11-30 |
| pd(ro) | 0x27e0000 | 0x2800000 | 128.0 KB | pd-x.cramfs.img | cramfs | 2023-11-30 |
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 V2.3 may refuse this file, and after installing it you may not be able to downgrade to firmware with a lower baseline.
Related firmware
Other files for much of the same hardware, from any vendor.
- General_VTHX421H_MultiLang_SIP_Asia_V4.810.0000000.4.R.260527.zip
Released Jun 12, 2026 · V4.810.0000000.4.R · 10 devices · Dahua
- General_VTHX421H_MultiLang_SIP_CEE-Nordic_V4.810.0000000.4.R.260527.zip
Released Jun 12, 2026 · V4.810.0000000.4.R · 10 devices · Dahua
- General_VTHX421H_MultiLang_SIP_EMEA_V4.810.0000000.4.R.260527.zip
Released Jun 12, 2026 · V4.810.0000000.4.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_Asia_V4.810.0000000.4.R.260527.zip
Released May 27, 2026 · V4.810.0000000.4.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_CEE-Nordic_V4.810.0000000.4.R.260527.zip
Released May 27, 2026 · V4.810.0000000.4.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_EMEA_V4.810.0000000.4.R.260527.zip
Released May 27, 2026 · V4.810.0000000.4.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_Asia_V4.810.0000000.3.R.260410.zip
Released Apr 10, 2026 · V4.810.0000000.3.R · 10 devices · Dahua
- DH_VTHX421H_MultiLang_SIP_CEE-Nordic_V4.810.0000000.3.R.260410.zip
Released Apr 10, 2026 · V4.810.0000000.3.R · 10 devices · Dahua