1. Find "Messages"
Tap Messages.
2. Read iMessage
Tap the required sender.
3. Select option
You have a number of options when you've read the message:
Reply to iMessage, go to 3a.
Forward iMessage, go to 3b.
Delete iMessage, go to 3c.
4. 3a - Reply to iMessage
Tap iMessage.
Write your text and tap Send.
5. 3b - Forward iMessage
Tap and hold the required iMessage until a pop-up menu is displayed.
Tap More....
Tap the forward icon.
Key in the first letters of the required contact.
Matching contacts are displayed.
Tap the required contact.
Tap Send.
6. 3c - Delete iMessage
Tap and hold the required iMessage until a pop-up menu is displayed.
Tap More....
Tap the delete icon.
Tap Delete Message.
7. Return to the home screen
Tap the Home key to return to the home screen.