3
votes
0answers
57 views

Delete all music NOT in playlist?

I have a playlist of favorite music on my phone. It's time I got I'm of all the others that I regularly skip and never listen to. How can I select all music that is NOT in that playlist in order yo ...
1
vote
1answer
508 views

Can I delete Zinio pdf files?

There are password protected page1.pdf, page2.pdf, etc... under mnt/sdcard/com.zinio.mobile.android.reader/9380198313/123123231/32123213 etc... Can I delete them?