- Go to Settings > General > Keyboard
- Tap Keyboards
- Tap Add New Keyboard
- Locate and tap Emoji
You can access this keyboard by tapping the globe icon next to your normal keyboard.
Enjoy Emoticons and don't seem to be an angry person :D
PS: It is only available for iOS version 5 or higher. You can update your iOS using this link
For more info you can use this URL: