Is it possible to delete these "other files"?

[alxxious]

[EDWARD28]

Some Apps requires data information storage like messenger & fb, thats the other files. try to clear cache &uninstall facebook or any usefull app with heavy data consume, you will see.

[SonnyJr]

Try other option

1. Upload to cloud storage
2. Memory card
3. Transfer in computer
4. Usb-C drive

Before delete