Device
SD3D420NB-B
3 firmware files may be compatible with the SD3D420NB-B. Part of the SD family. The newest builds are listed first.
- Firmware files
- 3
- Newest
- Feb 28, 2026
- Family
- SD
- Vendors
- Dahua
- Chip
- Infinity6C
Compatible firmware
- DH_SD-Kant-Dual_Normal_MultiLang_PN_V2.820.0000029.0.R.260115.zipDownload
Released Feb 28, 2026 · V2.820.0000029.0.R · 14 devices · Dahua
- DH_SD-Kant-Dual_Normal_MultiLang_PN_V2.820.0000029.0.R.260115.binDownload
Released Jan 15, 2026 · V2.820.0000029.0.R · 14 devices · Dahua
- DH_SD-Kant-Dual_Normal_MultiLang_PN_V2.820.0000017.0.R.250701.zipDownload
Released Jul 1, 2025 · V2.820.0000017.0.R · 11 devices · Dahua
Compatibility is detected automatically from firmware files and may be incomplete or wrong. Always confirm your device's updateSerial first.