You must do these two steps before selling your old phone! To avoid privacy leakage, deleting it is useless, come and learn

After getting a new phone, what do you do with your old phone? Some people don't pay much attention to this, and it's easy to leak personal privacy in the phone. Some people say, it's very simple ~ just delete the data in the phone, or restore the phone to factory settings, right?

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In fact, it is not as simple as everyone thinks~

Second-hand mobile phone recycling is so popular now that even if you delete the data or restore the factory settings, people can use some software to recover the phone's address book and some personal privacy data. Once a large amount of such information is obtained, it is very likely to be packaged and sold in bulk by criminals.

The above deletion method only deletes the file path, but the actual information is still stored in the phone. So, if we want to dispose of old phones, how can we protect our personal privacy?

Method 1: Encrypt first and then clear

Step 1: Open [Settings] on your phone, scroll down the page and find [Password & Security].

Step 2: After entering the password and security page, click [Security] - [Encryption and Credentials] - [Encrypt Phone] in sequence.

Step 3: You will see a page prompting [Please plug in the charger and try again]. Follow the prompts and click [Encrypt phone].

Step 4: Wait for the phone to be encrypted. It will automatically restart after encryption is completed.

Step 5: After completing the encryption operation above, the next step is to perform a double clear. Press and hold the power button to turn off the phone. After it is completely turned off, press the power up and power down buttons at the same time, then press the power button. Keep pressing and do not release until the logo appears on the phone screen.

Step 6: After entering the main menu interface of the phone, click [Clear data] - [Clear all data] - [OK], and wait for the cleanup to complete.

Step 7: Return to the main menu and click [Restart phone].

Method 2: Data coverage method

It is similar to overwriting data on a computer disk. You just need to use a large enough data file to overwrite the original data. The most convenient way is to record videos on your phone. The video clips are useless. Open the camera, click [Record Settings], set [Record Bitrate] to the maximum, then you can record some meaningless videos, and finally delete them to overwrite the useful data in the original phone.