Quick Reply is a useful tool that allows you to easily reply to messages without leaving the message preview page. Located at the bottom of the screen, you can use Quick Reply to compose email responses; attach files; and add emojis in a scrollable text area.
Sending a Quick Reply is easy:
1. Tap the Quick Reply area at the bottom of your screen.
2. Compose your message.
3. Tap the blue Send icon to send.