Storage doesn't add up

[pariyagh]

Storaged used on documents, images, videos, Applications and audio is around 6 Gb but it's showing 23 Gb total storage used. where is the other 17 Gb?

I even reseted my phone and still the same problem.

 

[jasonandrews25788]

use DiskUsage:
https://play.google.com/store/apps/...d.diskusage&rdid=com.google.android.diskusage