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Dahua model

NVR4x-4KS2L

Dahua lists 3 firmware files for the NVR4x-4KS2L. 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
3
Newest
Mar 22, 2022
Listed by
Dahua
Dahua device IDs
1

Firmware

Dahua device IDs in this firmware

Compare these with the updateSerial your device reports. Each one links to every firmware found for that ID.