Notifications are also displayed on the lock screen on the LG smartphone, and depending on the settings, content or other information can be displayed here for everyone to see.

Notifications on the lock screen can also be turned off completely on the LG device.

Android 9 | LG UX 9.0
Step 1:  Open the  Settings
Step 2:  Tap on  General
Step 3:  Tap on  Apps & notifications
Step 4:  Tap on  Notifications
Step 5:  Tap on  Lock screen
Step 6:  Choose between  Show all notifications ,  Hide sensitive notification content  and  Hide all notifications
  1. Open the Settings
  2. Tap on General
  3. Tap on Apps & notifications
  4. Tap on Notifications
  5. Tap on Lock screen
  6. Choose between Show all notificationsHide sensitive notification content and Hide all notifications

LG Instructions