Insufficient storage for iOS 18.1 update on mom's iPad 7
My mother has ios18.1 ready to install but needs storage should I give her my terebit drive for the update
[Re-Titled by Moderator]
The update to iPadOS 18.0.1 requires internal storage, not external.
Here are ways to free up internal storage: How to check the storage on your iPhone and iPad - Apple Support
One common source of confusion and consternation when using the photo-sync service iCloud Photos: deleting a photo in one place deletes it everywhere.
(iPadOS 18.1 is not available yet, though will reportedly be available later this month.)