I find the Files app (from Google) helps me manage what files I have where on my phone. https://play.google.com/store/apps/details?id=com.google.android.apps.nbu.files
I find the Files app (from Google) helps me manage what files I have where on my phone. https://play.google.com/store/apps/details?id=com.google.android.apps.nbu.files
John Oliver suggests a flame thrower