Storage issues
iPad out of storage restored as new at Apple Store, still shows 0 storage available
iPad 2, iOS 9.3
iPad out of storage restored as new at Apple Store, still shows 0 storage available
iPad 2, iOS 9.3
That is extremely unusual
You say you restored it at an Apple store
What did the Apple techs have to say?
You can try
Settings - General - Reset - Erase all content and settings
Storage issues