How to deal with old mobile phones and how to completely delete the information in old mobile phones.

Enter the recovery mode of the mobile phone, just follow the steps of brushing, but you don't need to brush, just use double clear.

What does double wipe mean?

Wipe is understood from the literal meaning of English words: wipe, wipe; Wipe dry and clean. From the professional point of view of brush lovers, it can be considered as the operation of erasing mobile phone data.

Regarding what wipe means, the professional answer is: wipe means restoring factory settings, including deleting all contacts, text messages and installed software. Commonly known as hard start, restore factory settings.

Methods: 1. Enter Rec mode: turn off the phone → press and hold the volume down key of the phone power button at the same time.

? 2. Is that clear? Note that there are two lines after entering: wipe data/factory resetwipe cache? divide

Erase cache partition?

? Some mobile phones choose the volume up and down, and the power button is determined?

? Some mobile phones have volume selection and volume confirmation.

? Some mobile phones choose the volume up and down, and confirm with the menu key.

? Some mobile phones are simply touched, and they are in Chinese.

? Look at the mobile phone, you try it.

? These are the two commands indicated by the red arrows below.

If it is a Chinese version

Just enter: clear data/restore factory settings.

? Empty the cache partition.

I hope I can help you and adopt it.