RAVPower RP-WD02 for Android User Manual
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21. How to copy the pictures on My Micro SD card to my hard drive?
1> Insert Micro SD card and hard drive into the FileHub at the same time. And you can find
two folders on “My FileHub”
2> Choose the files you want to copy by “Manage”. Click “Download” on the bottom,
choose the folders on your USB hard drive and confirm.