1. Open one PDF file and tap “ ” on the top menu bar. Then you will see a pop up menu.
2. Tap “Page Edit” to see page thumbnails of the PDF document you are currently reading.
3. Tap "Edit" () at the top-right corner of the screen, and you will see a menu bar appeared on the top of the screen.
4. Select the page(s) you would like to rotate or delete from the PDF file.
5. Tap " " and you will see various editing options for your to choose from.
6. Tap "+" icon to add new pages.