1. Find the "Settings" button on the desktop, or drop down the notification bar above the phone without clicking the "Settings" icon in the notification bar, and then enter the phone settings.

2. In mobile phone settings, you need to drop down the interface to find the classification of "system and equipment", and select "Lock screen, password and fingerprint" under the classification.

3. After entering "Lock Screen, Password and Fingerprint", select "Lock Screen More Settings" at the bottom of the "Lock Screen" category.

4. In this way, we will enter more settings of the lock screen. In more settings of lock screen, we can see the item "lock screen signature". Select "Input".

5. At this point, the option "Show signature information on the locked screen page" will appear. When it's not open, the signature column below is covered with gray, so we just need to open it.

6. Display the signature information on the lock screen "Open, the signature column below will be unlocked, and we can enter our personal signature.

Personalized signature, as its name implies, is a way that can not only reflect the signer's personal aesthetic standards, hobbies, status and nationality, but also convey personal information to everyone. Generally speaking, young people often have a signature with a distinct sense of the times and mystery, while people over middle age often have a signature that represents their status in a solemn atmosphere. Of course, individual signatures in different periods may be different, depending on the mentality of the signer.