Dahua model
ISC-M6550
Dahua lists 7 firmware files for the ISC-M6550. 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
- 7
- Newest
- Oct 21, 2026
- Listed by
- Dahua
- Dahua device IDs
- 1
Firmware
- DH_ISC-MXXXX_FACTORY-BASE_V4.004.0000000.0.R.260920.zipDownload
Released Oct 21, 2026 · V4.004.0000000.0.R · 1 device · Dahua
- DH_ISC-MXXXX_Server_Eng_V4.004.0000000.0.R.260920.zipDownload
Released Oct 21, 2026 · V4.004.0000000.0.R · 1 device · Dahua
- General_ISC-MXXXX_MainBoard_C_V4.004.0000000.0.R.260920.zipDownload
Released Oct 21, 2026 · V4.004.0000000.0.R · No hardware IDs found · Dahua
- General_ISC-MXXXX_MainBoard_C_V4.001.0000000.0.R.250611.zipDownload
Released Jul 16, 2025 · V4.001.0000000.0.R · No hardware IDs found · Dahua
- DH_ISC-MXXXX_Server_Eng_V4.001.0000000.0.R.250430.zipDownload
Released Apr 30, 2025 · V4.001.0000000.0.R · 1 device · Dahua
- DH_ISC-MXXXXFC_Server_Eng_V1.008.0000000.0.R.250107.zipDownload
Released Feb 17, 2025 · V1.008.0000000.0.R · 1 device · Dahua
- General_ISC-MXXXXFC_MainBoard_A_V1.008.0000000.0.R.250107.zipDownload
Released Feb 17, 2025 · V1.008.0000000.0.R · No hardware IDs found · 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.