What to do with unused mobile phones? What are the security risks?

With the development of the economy, people's living standards are also constantly improving, so in our lives, mobile phone replacement is common. In order to protect personal privacy, some people will delete all the information on their old mobile phones before selling them, but are they relieved? Now, let me tell you what to do with your unused mobile phones? Don’t throw them away, they will be useful. !

What are the security risks of how to dispose of unused mobile phones

1. When many people replace their mobile phones, they will recycle their old mobile phones, and the previous information leakage will be considered before recycling. , so I will "restore the factory settings" of my phone to make myself more at ease! In fact, this is not the case. Many people in the industry said that even if this is done, there will be a lot of professional technology to retrieve the information. Most mobile phone owners will store their ID card information, Alipay information, bank card passwords, etc. in their mobile phones when using Taobao shopping, Meituan software, bank express software, etc. However, once they are recovered by some criminals, they will always have funds. There is a possibility of being stolen, and then it will be impossible to recover the property loss quickly.

2. After the old mobile phone is bought from the owner, they will sell it directly without clearing the information. Some phone owners will clean up previously saved information in advance. And more careless phone owners will store a large number of personal photos, contacts and other personal information in their old mobile phone albums if they don't pay attention. What’s even more surprising is that some people’s payment software can be logged in directly without setting a login password, and you can clearly see the previous balance and transaction records. If it is obtained by criminals, the consequences will be disastrous, leading to huge property losses. Therefore, in order to better protect personal privacy, you can download or purchase software online and operate it.

3. Are there many good processing methods? For example, in addition to the above methods of downloading from the Internet, you can also overwrite the data so that the data cannot be recovered. That is, try to store as many movies as possible on your phone. If you can’t save movies, continue to store a lot of MP3s. If you can’t save MP3s, continue to store some text documents and other software until the space in your phone is completely filled. Full. In this way, all the data areas can be covered by the data you downloaded, and even the most powerful recovery software will be unable to do anything. In this way, you can sell your old mobile phone safely and securely without causing information leakage.

My conclusion: The above is what I have brought to you, about how to deal with unused mobile phones? and some related content about security risks. I hope the above content can help you. When we want to change to a new mobile phone, we must pay attention to clearing all information from the old phone.