![]() Call history is stored in a relational database file, usually in the data directory of the mobile phone. The call history on your phone stores a lot of personal information, such as date of calls, call time, and the phone number of the caller. 'Deleted Call History' Won't Be Wiped Completely and Still Be Easily Recovered Here comes the challenge: How to permanently erase recent call history from iPhone 4/5/6/6Plus before plan to sell it? Among them, the call history is particularly worthy of protection. This information can be easily replicated and transmitted. The information contained in iPhone device includes personal cell phone information, identity information, location information, mail and file information, account information and so on. The rapid development of Apple iPhone device brings new experience, however, at the same time, the protection of personal information on the smart phone faces with hidden security danger.
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