Many mobile device users rely on simply deleting the private information on the storage card of the phone before selling it, in order to ensure that sensitive details are not passed to the new owner. However, items are stored persistently, and unless they are corrupted through overwrite action, they can be recovered. Avast carried out an experiment with 20 Android phones purchased through eBay, and then tried to find out how much of the deleted information could be retrieved. The results sho…
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