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Amcrest model

ASH21-V3

Amcrest lists 2 firmware files for the ASH21-V3. 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
2
Newest
Aug 16, 2022
Listed by
Amcrest
Dahua device IDs
10

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.