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DVR-470P

XtendLan lists 2 firmware files for the DVR-470P. 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
Apr 1, 2009
Listed by
XtendLan
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.