According to the news media exposure exists Android phones a serious design flaw that could leak user privacy. Android phones in the deleted photos, text messages, contacts and other personal information will still be easily recovered by the software, which will sell second-hand mobile phone users great concern. Experts even suggested not to sell your old phone.
According to experts, in theory, as long as the information is not covered on the phone, being able to recover deleted Android data, even when using the phone comes with a "restore factory settings" function, can not be completely removed. The staff of a data recovery company, said phone photos, information can be recovered, charges ranging from RMB 500-1000.
Data show that as of the end of 2013, Android mobile phone ownership has more than 800 million units.
According to security experts, this is due to a design flaw caused the Android system. Text messages, photos, address book for users are "absolute privacy", once some sensitive messages (bank account numbers, passwords, etc.) is compromised, often caused incalculable damage.
For such cases, the phone completely sealed indeed fundamentally solve the problem, but this is clearly not in line with the actual situation. How to safely handle the export of personal information before the old phone and remove private information? According to experts familiar with the phone software for cleaning up old phone features a variety of information, the latest of a domestic security class applications "privacy grinder" function, by erasing the overall depth of the destruction that can completely remove saved in the phone the information and ensure that the information can not be maliciously restored.
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