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Can the old cell phone leak its privacy and restore the mobile phone's factory settings?

via:博客园     time:2018/6/6 9:46:23     readed:247

In the era of mobile Internet, mobile phones have become a necessity for people, and the speed of replacement is very fast. It has been reported that more than 9 of the people in the family have more than 1 discarded mobile phones. For such a mobile phone, many choose to sell, but is it really safe? Will it not cause privacy leakage? China and the new network reporter conducted an interview and investigation.


A mobile phone recycles the machine. When testing, it requires the mobile phone to completely open the data calling authority. Wu Tao, China new network

It is prudent to sell waste mobile phones

A recent report from the second hand e-commerce platform revealed that a survey of tens of thousands of respondents found that up to 92.5% said there were 1 or more mobile phones in the home. Many of them have chosen to sell their old phones, and the market is huge. Research Institute IDC predicts that by 2020, sales of used handsets will climb to 222 million 600 thousand, with an average annual compound growth rate of 22.3%.

Because many old and end-of-life mobile phones contain users' personal privacy information, some people have started in this respect.

Reporter in the investigation found that the current mobile phone recycling mixed fish. For example, in a second-hand mobile phone recycling machine, the reporter found that testing the phone needs to insert data line, Apple phone after the connection needs

Will this lead to privacy leaks? The machine worker told reporters that the machine was just doing some hardware testing and would not copy or invoke the user's storage data.

In addition, there are some recycling services that need to be mailed to the past for valuation. If it feels unsuitable to return it to you, you can't know what someone else has done to your cell phone.

Earlier, there were several media reports, in some places such as railway stations, there are some self-service charging devices, after use, the phone was forced to install a variety of APP. This shows that the risk of privacy theft is greatly improved after the access to mobile phones is acquired.


Data map: in the mobile Internet era, passengers spend time with their cell phones. Wang Zhongju, a journalist from China China News Agency

Some netizens think that before they sell their mobile phones, they delete their personal information and resume their factory settings. Is that so?

There are second-hand mobile phone recycling websites showing that,

The reporter contacted Apple's relevant staff to erase data after iPhone, and whether he could use some software to restore problems. As of press release, no reply was received.

However, it is understood that at present, many mobile phone repair shops have data recovery services, and the Internet is full of data recovery software. These services say that even if you delete the data of the mobile phone, some of the data can still be returned.

For example, the Apple Restoration Master website shows that its software can

Although Apple recovery master development company said that the use of software must have the ability to unlock the phone. But if it's a second-hand mobile phone, it is obvious that it is right to get its permission.

A staff member familiar with IT technology told Chinanews.com. com that whether it was a PC or a mobile phone, the deleted part of the data could be restored.


Online mobile data recovery software. screenshot

How do you deal with the old cell phone?

It is a good thing to reuse resources without having to sell them. But for data security, try not to discard or sell them. If you really want to sell, these prepositions will help you.

First, take out the memory card (no memory card phone can ignore this), then delete all the personal information, including account, address book, text message, photo, video and so on, restore the phone factory settings.

The most critical step is to save a lot of insignificant video or music resources on the phone, confirm that the cell phone space is fully filled and repeated several times, so that even the subsequent recovery can be the most insignificant data in the storage.

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