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TVC model

HFW1320S36S3 HDBW1320E36 HDBW2421RZS

TVC lists 1 firmware file for the HFW1320S36S3 HDBW1320E36 HDBW2421RZS. 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
1
Newest
Aug 30, 2017
Listed by
TVC
Dahua device IDs
36

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.