Dahua model
PFR4K-D450
Dahua lists 1 firmware file for the PFR4K-D450. 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
- Nov 20, 2025
- Listed by
- Dahua
- Dahua device IDs
- 15
Firmware
- DH_SD-Prometheus_MultiLang_PN_Stream3-Radar_V2.812.0000056.2.R.251023.zipDownload
Released Nov 20, 2025 · V2.812.0000056.2.R · 15 devices · 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.