DJI-Ken
DJI team
Flight distance : 1515312 ft
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The short one is needed as it is a UBS OTG adapter. To update firmware, you need this adapter to plug your USB cable into and then the adapter plugs into the P4.If your USB cable is plugged into your device, the other end is a full size USB and that cannot plug into the aircraft so you need the adapter to get the standard size USB to Micro USB.
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