Yes, the product has been tested against both methods.
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iOS devices are encrypted and
testing is conclusive that data is erased and cannot be recovered using all
known techniques.
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Android Devices differ model to model; the
manufacturers have not invoked the software the same way across the board. However, all of the on the devices we have tested using forensic and COT software, all user data is erased and non-recoverable.
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Blackberry devices are encrypted and testing is conclusive that data is erased and cannot be recovered using all known techniques.