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How to make RT84 enter into DFU mode?

How to make RT84 enter into DFU mode?

When it’s no success to update RT84 firmware, please doulbe check if you’ve enter DFU mode
Press the top sidekey and PTT together, turn on the radio.  The indicator will flash red and green.  This means enter the DFU mode sucessfully.

Retevis RT84

#Other Radio FAQ