関連ワード:  how to delete files on firestick    how to clear files on firestick    how to delete apk files on firestick    how to delete downloaded files on firestick    how to delete installation files on firestick    how to delete unwanted files on firestick    how to delete hidden files on firestick    how to delete zip files on firestick    how to delete temporary files on firestick    how to delete old apk files on firestick