Dahua model
VTHX421L
Dahua lists 1 firmware file for the VTHX421L. This is the retail model name. Inside the firmware, Dahua uses its own device IDs, listed below, which can lead you to more compatible firmware.
- Firmware files
- 1
- Newest
- Feb 21, 2020
- Listed by
- Dahua
- Dahua device IDs
- 4
Firmware
- DH_VTHX421L_MultiLang_SIP_V4.410.0000000.4.R.20200221.binDownload
Released Feb 21, 2020 · V4.410.0000000.4.R · 4 devices · Cifra, Dahua
Dahua device IDs in this firmware
Compare these with the updateSerial your device reports. Each one links to every firmware found for that ID.