One UI 3.1 trick

[1meth]

After One ui update i check this settings if you enable this you can see all the deleted massage stuff on most socials,and notifications 
Go to advanced settings of notification and turn it on kinda cool feature tho :)

[sachinth]

kohomada

[SaKu92]

Hodai

[Damath]

Notification history kiyana eka on karanna