Firmware
General_VTHX421H-data_MultiLang_SIP_PART_V4.410.0000008.0.R.20201027.zip
ASM firmware released Oct 27, 2020. May work with 7 devices, including VTH2421F, VTH2421F_R, VTH5221D-S.
- Released
- Oct 27, 2020
- Version
- V4.410.0000008.0.R
- Size
- 585.8 KB
- Hardware
- 7 devices
Download
Permanent copy on the Internet Archive (item page)
- MD5
7a0040dacabe2902c46e898487738b14- SHA-256
c5b9f0f44f21dc141a5bf7f45f0f36416779f064e8b261322950eb583ab09742
Where it's published
- Folder: videovratni/stare_firmwary_nepouzivat/VTH2421FB-P/V4.400
- Folder: videovratni/stare_firmwary_nepouzivat/VTH2421FW-P/V4.4/20200221_CZ
- Folder: videovratni/stare_firmwary_nepouzivat/VTH5221DW-S2/Firmware/V4.400
- Folder: videovratni/stare_firmwary_nepouzivat/VTH5241DW-S2
- Folder: videovratni/stare_firmwary_nepouzivat/VTH5421EW-H/V4.400
V4.410.0000008.0.R · Listed date Oct 27, 2020
Previously at 4 other addresses
- https://ftp.asm.cz/Dahua/videovratni/stare_firmwary_nepouzivat/VTH2421FB-P/V4.400/General_VTHX421H-data_MultiLang_SIP_PART_V4.410.0000008.0.R.20201027.zip (last seen Oct 22, 2026)
- https://ftp.asm.cz/Dahua/videovratni/stare_firmwary_nepouzivat/VTH2421FW-P/V4.4/20200221_CZ/General_VTHX421H-data_MultiLang_SIP_PART_V4.410.0000008.0.R.20201027.zip (last seen Oct 22, 2026)
- https://ftp.asm.cz/Dahua/videovratni/stare_firmwary_nepouzivat/VTH5221DW-S2/Firmware/V4.400/General_VTHX421H-data_MultiLang_SIP_PART_V4.410.0000008.0.R.20201027.zip (last seen Oct 22, 2026)
- https://ftp.asm.cz/Dahua/videovratni/stare_firmwary_nepouzivat/VTH5241DW-S2/General_VTHX421H-data_MultiLang_SIP_PART_V4.410.0000008.0.R.20201027.zip (last seen Oct 22, 2026)
Compatible hardware
Hardware IDs this firmware's installer accepts (7 devices).
Where these IDs come from
- Install in General_VTHX421H-data_MultiLang_SIP_PART_V4.410.0000008.0.R.20201027.bin: the installer's device list (board families), 7 IDs, vendor General
Technical details
Read from inside the firmware (zip archive).
- OEM build
- General
- Security
- Signed, encrypted
Flash layout: 1 partition, 1 written by this firmware
From the image headers (only partitions this firmware writes).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| data | 0x13e0000 | 0x18e0000 | 5.0 MB | data-x.cramfs.img | cramfs | — |
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