Dahua model
DB43BB-BTR
Dahua lists 2 firmware files for the DB43BB-BTR. 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
- 2
- Newest
- Jul 26, 2026
- Listed by
- Dahua
- Dahua device IDs
- 1
Vendor notes
- An earlier build still on Dahua's download server after the download center replaced it
Firmware
- DH_IPC-WDB-Cauchy_Eng_PN_V2.820.0000000.18.R.260714.zipDownload
Released Jul 26, 2026 · V2.820.0000000.18.R · 1 device · Dahua
- DH_IPC-WDB-Cauchy_Eng_PN_V2.820.0000000.11.R.260204.zipDownload
Released Feb 4, 2026 · V2.820.0000000.11.R · 1 device · 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.