How to take a scrolling screenshot?

When you want to take a screenshot that contains more content, you can take a scrolling screenshot to save the content in one long screenshot.
1. Take a screenshot. See How to screenshot?for more information.
2. Tap Scroll on the screenshot at the upper-right corner.
3. Scroll up to determine where to end the scrolling screenshot or wait for the page goes down automatically.
4. Tap DONE.
5. Tap  to save the scrolling screenshot.
 Note
If you want to view and save the scrolling screenshot, you need to give the Gallery Editor permissions to certain folders.