Not so nice photos taken? in the LG smartphone's gallery app, photos/pictures can be easily deleted.

Android 9 | LG UX 9.0
Delete photos/videos -  Open the  Gallery -App
Delete photos/videos -  Open desired  Photo
Delete photos/videos -  Tap on  Delete
  1. Open the Gallery-App
  2. Open desired Photo
  3. Tap on Delete

LG Instructions