How-To: Send a Text Message on Your Nokia Lumia 900

1. Press the "Messaging" tile found on the Start screen.
2. Tap the "Add new" icon depicted as a "+" symbol.
3. Type in the receipt's phone number or contact name.
4. Tap the "type a message" field.
5. Type in the desired message.
6. Press the "Send" button and you're done.

How-to: Send a Multimedia Message on Your Nokia Lumia 900

Follow steps 1 through 5 mentioned above and continue as follows:

6. Tap the "Attachment" icon depicted as a paperclip.
7. Select the desired album.
8. Tap the photo you wish to attach to your message.
9. Press the "Send" button.

How-To: View Text Message History and Reply To a Text Message on Your Nokia Lumia 900

1. Tap the "Messaging" tile found on the Start screen of your device.
2. Select the desired message thread.
3. If you wish to reply to a message tap the "type a text message" field.
4. Type in the desired message and press the "Send" button.