Android               Some devices don't allow the link of the quad app to the .json file type of the tune.  You can still import manually.   1. Open the quad app 2. go into your custom tune menu 3. click Import in the upper right.   4. next a file explorer will open.  Each phone is a bit different, but you want to click the settings in the upper right, then "show internal storage"   5. You will now see