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By the way, in the case of Whisper, it had something to do with the Apple ID. By resetting the phone and creating a new Apple ID, it was unable to restore the o
by stopwhispering2 9y ago
By the way, in the case of Whisper, it had something to do with the Apple ID. By resetting the phone and creating a new Apple ID, it was unable to restore the old account. This was all before iOS 11.
Edit: in another comment someone suggested IDFA and data stored in the keychain could be used to fingerprint you, even after you reinstalled an app. This makes a lot of sense.