For example if you reset your iPhone is it safe to sell on Ebay without the risk of someone somehow recovering your deleted data?
As considering selling mine, but not sure if it's worth the risks/hassle of getting hacked or people finding out stuff…
I heard that deleted iPhone data is "encrypted" so even if they were to recover it, it would be almost impossible to tell what the data means. Is this true?
Read more: Is deleted data on iPhones encrypted?