How to delete others file from my iphone
How to erase others file on my storage
iPhone 8 Plus, iOS 14
Question marked as
Basically there's not much you can do unless you want to entirely reset your device.
Here's information I can find about dealing (or not) with "other" storage on i-devices:
What's in Others in your iCloud storage --> What's in Others in your iCloud storage - Apple Support
How to check the storage on your iPhone, iPad, and iPod touch - Apple Support - How to check the storage on your iPhone and iPad - Apple Support - "About cached files in Other ... When you stream music or video, that content is stored as cached files on your device so you can quickly access it again. Your device automatically removes cached files and temporary files when your device needs more space." "You don't need to delete them yourself." (Which I interpret to mean you cannot delete them directly yourself.)
Clear Other storage on your iPhone or iPad --> Clear Other storage on your iPhone or iPad - Apple Support
How to Clear "Other" in your iPhone's Storage - Use Backup
How to Clear "Other" in your iPhone's Sto… - Apple Community
- A somewhat drastic but oft mentioned solution achieved by making a backup of your device which will not include "other", erasing the device, then restoring the device from your slimmed backup.