Quote:
Originally Posted by Phanuthier
Question from the ultra-paranoid : even with a factory reset, the data is still there is it not? (only the address pointer changes) ... not trying to be a smart ass / pain in the ass, genuinely wondering since that was what stopped me from selling my old, "cigar butt" phones.
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I had the same question myself but Apple's already one step ahead.
Here's a doc that describe all their security implementations:
https://www.apple.com/business/docs/...rity_Guide.pdf
tl;dr: Almost everything on your iPhone is encrypted by your file system key, which is erased when you do a reset and "renders all files cryptographically inaccessible".
Edit: Oops, you didn't specify an iPhone. No idea how it works for Androids.