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Latest Firmware version

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Model

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Old version, date

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Latest version, date

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DT821/VD

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DT821/T5

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DT821/M4

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DT-BDU

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[20190704] V000104: debug

[20180309] V000103: improve noise disturbance

[20171110] V000102: improve inner function

[2015-07-07] V000101: support gateway function

[2015-06-03] V000100: support Repeater, Router functions

Old version Upgraded Guidance

DT821/VD

Note: Version XXX or below uprade to latest version

DT821/T5

DT821/M4

DT-BDU

The Firmware in this connection are all standard version.

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