[SOLVED] Moto G 3rd Gen (2015) SD card not accessible via USB

If you have a Motorola G3 (2015) phone with Android 6.0 and a microsd card installed, you may find that the card is inaccessible via USB/PC:

SD card contents not available

SD card contents not available

Here is how to fix it:

  1. Go to Settings, Apps, 3-dot menu, select Show System (to show system apps)
  2. Scroll down thru apps to External Storage, select that, pick Storage, pick Clear Data (which also clears the Cache).
  3. Go back to the app list and do the same for Media Storage, as you did for External Storage.
  4. Reboot phone.

    Thanks to p-c-x for the solution!

Voila, after connecting USB and selecting MTP from your phone, your microSD card should now be fully accessible:

 

Contents now accessible! :-)

Contents now accessible! 🙂

 

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