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Dahua model

TPC-SD2221-B3F4

Dahua lists 3 firmware files for the TPC-SD2221-B3F4. 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
Oct 31, 2019
Listed by
Dahua
Dahua device IDs
4

Vendor notes

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.