To access your trashed posts, tap Blog posts, then in the middle of the blue bar at the top you will see a drop-down menu next to the word Published (or Scheduled or Draft). Tap that and select the filter called Trashed.
To access your trashed posts, tap Blog posts, then in the middle of the blue bar at the top you will see a drop-down menu next to the word Published (or Scheduled or Draft). Tap that and select the filter called Trashed.