Go to . This merges your card with internal storage, allowing any app (even non-movable ones) to install on the card. Downside : The card becomes unreadable in other devices.

Apps often leave thumbnail files and partial downloads on your SD card. Use the "Storage" settings in Android to clear cache or connect the card to a PC and delete hidden folders like Android/.thumbnails/ .

SD Card/ ├─ Entertainment/ │ ├─ Movies/ │ ├─ TV_Series/ │ ├─ Music_Albums/ │ └─ Podcasts/ └─ Backups/