![]() It takes a long time, Lancaster says, but scouring a smartphone's file system bit by bit is usually worth the effort. Media can be recovered with a physical analysis even if they have been delivered by Snapchat, a controversial app that sends photos or videos to a device for just seconds. ![]() ![]() ![]() When a photo is saved, for example, the device's operating system will typically store variations of that image in several different locations - a thumbnail view may still be available even if the original isn't. from Caterpillar?Ī so-called "physical" analysis can typically retrieve deleted information that is hidden deep within a smartphone's memory. Related story: Insanely durable smartphone.
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