I would assume security exploits, mostly targeting old unpatched versions, with some undisclosed 0days in the more expensive products. And against a modern Pix

I would assume security exploits, mostly targeting old unpatched versions, with some undisclosed 0days in the more expensive products. And against a modern Pixel/iPhone I would also expect the answer to how does it work to be "not so well". Consider the percentage of the population that uses a potato phone from 2018, consider the likelihood of them being the criminal in question, and the product starts working a lot better. Remember how FBI failed to decrypt the iPhone of some domestic terrorists: https://en.wikipedia.org/wiki/Apple%E2%80%93FBI_encryption_dispute https://en.wikipedia.org/wiki/Apple%E2%80%93FBI_encryption_d... Also remember that lower-end Android hardware uses a different, cheaper, algorithm: https://en.wikipedia.org/wiki/Adiantum_(cipher) https://en.wikipedia.org/wiki/Adiantum_(cipher)