Firmware
Customer_VTHX421H_Eng_SIP_V4.410.9806002.0.R.20201122.zip
Dahua firmware released Nov 22, 2020. May work with 7 devices, including VTH2421F, VTH2421F_R, VTH5221D-S.
- Released
- Nov 22, 2020
- Version
- V4.410.9806002.0.R
- Size
- 15.4 MB
- Hardware
- 7 devices
Download
Permanent copy on the Internet Archive (item page)
- MD5
60f93e1609d70b120273a25fe2737a5e- SHA-256
d5f3ce80d11a7e6b10e3c65c308578cca93652cc17aca42913e4d202ba566ff7
Where it's published
- Folder: Access Control Solution/Elevator, lift control/Firmware/VTH2421FB,VTH2421FW,VTH5221D-S2
V4.410.9806002.0.R · Listed date Nov 22, 2020
Compatible hardware
Hardware IDs this firmware's installer accepts (7 devices).
Where these IDs come from
- Install in Customer_VTHX421H_Eng_SIP_V4.410.9806002.0.R.20201122.bin: the installer's device list (board families), 7 IDs, vendor General
Technical details
Read from inside the firmware (zip archive).
- Architecture
- arm
- OEM build
- General
- Bootloader
- U-Boot 2011.09-rc1-svn4721
- Flash
- 40.0 MB
- Image dates
- Nov 22, 2020
- Security
- Signed
Flash layout: 13 partitions, 12 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 | — | 2020-11-22 |
| boot | 0x40000 | 0x280000 | 2.3 MB | uboot.bin.img | — | 2020-11-22 |
| mbr | 0x280000 | 0x2a0000 | 128.0 KB | mbr.img | — | 2020-11-22 |
| env | 0x2a0000 | 0x2c0000 | 128.0 KB | env-x.cramfs.img | cramfs | 2020-11-22 |
| updateflag | 0x2c0000 | 0x3c0000 | 1.0 MB | not written | — | — |
| partition(ro) | 0x3c0000 | 0x4c0000 | 1.0 MB | partition-x.cramfs.img | cramfs | 2020-11-22 |
| kernel | 0x4c0000 | 0x9c0000 | 5.0 MB | kernel-x.cramfs.img | cramfs | 2020-11-22 |
| romfs(ro) | 0x9c0000 | 0xec0000 | 5.0 MB | romfs-x.cramfs.img | squashfs | 2020-11-22 |
| logo(ro) | 0xec0000 | 0xee0000 | 128.0 KB | logo-x.cramfs.img | cramfs | 2020-11-22 |
| web(ro) | 0xee0000 | 0x13e0000 | 5.0 MB | web-x.cramfs.img | cramfs | 2020-11-22 |
| data(ro) | 0x13e0000 | 0x18e0000 | 5.0 MB | data-x.cramfs.img | cramfs | 2020-11-22 |
| usr(ro) | 0x18e0000 | 0x27e0000 | 15.0 MB | usr-x.cramfs.img | cramfs | 2020-11-22 |
| pd(ro) | 0x27e0000 | 0x2800000 | 128.0 KB | pd-x.cramfs.img | cramfs | 2020-11-22 |
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