1. Open the settings.
2. Click "Notification" in the settings.
3. At the bottom of the notification list, click View All.
4. Click "Recently" at the top left of "Application Notice".
5. In the pop-up list, change "Recent" to "All".
6. Find "Screen Lock Notification" and click.
7. In the "Lock Screen Notification", just turn off the "Display Notification".
Precautions:
1. When using the mobile phone, back up the files of the mobile phone regularly to prevent the files from being lost.
2. In the process of using your mobile phone, clean it regularly.
3. In the process of using the mobile phone, we must standardize the operation of the mobile phone.
4. If you don't know what the problem is, you must contact a professional for treatment as soon as possible.