You can't completely clear the "Internal" storage of the phone as that is where the OS and apps are housed. You can remove anything that isn't required. Apps you installed, files, etc., but that will only free up so much space.
You can't completely clear the "Internal" storage of the phone as that is where the OS and apps are housed. You can remove anything that isn't required. Apps you installed, files, etc., but that will only free up so much space.