Why is the information lock screen not displayed?

You can refer to the following operation modes of vivo mobile phone:

1. Enter mobile phone settings-notification and status bar-application management notification, and turn on the "screen lock notification/screen lock display" switch of the corresponding software;

2. Enter the software to inquire whether the message notification is turned on;

3. It is suggested to enter the I theme and set the lock screen style as the system's own style;

4. If the software logs into the computer at the same time, the software on the computer can be logged off and observed again.

5, enter the phone settings-system management/more settings-backup and reset/restore the factory settings. (Restoring all settings will not delete or clear data, but important data should be backed up in advance. )