Firmware platform
VTHX421L
3 devices list exactly the same 16 firmware files, so they're collected here. Most of the files are named for the VTHX421L platform. Each device's own page shows its newest files. Even on a shared platform, confirm your device's updateSerial before flashing.
- Firmware files
- 16
- Devices
- 3
- Newest
- Oct 7, 2026
- Vendors
- Dahua, Viatec, Eltrox, ASM, Global DS, Cifra
Devices on this platform
From the VTH family.
Firmware
- DH_VTHX421L_MultiLang_SIP_V4.510.0000000.2.R.260716.zipDownload
Released Oct 7, 2026 · V4.510.0000000.2.R · 4 devices · Dahua
- DH_VTHX421L_MultiLang_SIP_V4.510.0000000.1.R.230509.zipDownload
Released Jun 28, 2023 · V4.510.0000000.1.R · 4 devices · Dahua
- DH_VTHX421L_MultiLang_SIP_V4.510.0000000.1.R.230509.binDownload
Released May 9, 2023 · V4.510.0000000.1.R · 4 devices · Dahua
- DH_VTHX421L_MultiLang_SIP_V4.510.0000000.0.R.220314.binDownload
Released Mar 14, 2022 · V4.510.0000000.0.R · 4 devices · Viatec
- General_VTHX421L_MultiLang_SIP_V4.500.0000000.7.R.201120.binDownload
Released Nov 20, 2020 · V4.500.0000000.7.R · 4 devices · Dahua
- General_VTHX421L_MultiLang_SIP_V4.500.0000000.7.R.201120.zipDownload
Released Nov 20, 2020 · V4.500.0000000.7.R · 4 devices · Eltrox
- General_VTHX421L-data_MultiLang_SIP_PART_V4.410.0000002.1.R.20201109.binDownload
Released Nov 9, 2020 · V4.410.0000002.1.R · 4 devices · ASM
- General_VTHX421L-data_MultiLang_Magyar nyelv_P_SIP_PART_V4.410.0000001.0.R.20200901.binDownload
Released Sep 1, 2020 · V4.410.0000001.0.R · 4 devices · Global DS
- Customer_VTHX421L_MultiLang_SIP_V4.410.10IM001.0.R.20200826.binDownload
Released Aug 26, 2020 · V4.410.10IM001.0.R · 4 devices · Viatec
- General_VTHX421L-data_MultiLang_Eng_P_SIP_PART_V4.410.0000715.0.R.20200715.binDownload
Released Jul 15, 2020 · V4.410.0000715.0.R · 4 devices · ASM
- DH_VTHX421L_MultiLang_SIP_V4.410.0000000.4.R.20200221.binDownload
Released Feb 21, 2020 · V4.410.0000000.4.R · 4 devices · Cifra, Dahua
- General_VTHX421L_MultiLang_SIP_V4.410.0000000.4.R.20200221.binDownload
Released Feb 21, 2020 · V4.410.0000000.4.R · 4 devices · ASM, Dahua, Global DS
- General_VTHX421L_MultiLang_SIP_V4.410.0000000.4.R.20200221.language.binDownload
Released Feb 21, 2020 · V4.410.0000000.4.R · 4 devices · ASM
- General_VTHX421L_MultiLang_SIP_V4.410.0000000.4.R.20200221.zipDownload
Released Feb 21, 2020 · V4.410.0000000.4.R · 4 devices · ASM
- DH_VTHX421L_Eng_SIP_V4.001.0000000.3.R.20190122.binDownload
Released Jan 22, 2019 · V4.001.0000000.3.R · 4 devices · Dahua
- DH_VTHX421L_Eng_SIP_V4.001.0000000.3.R.20190122.language.binDownload
Released Jan 22, 2019 · V4.001.0000000.3.R · 4 devices · Dahua
Compatibility is detected automatically from firmware files and may be incomplete or wrong. Always confirm your device's updateSerial first.