In the menu bar on the left hand side click on Test Messaging and select the SMS channel.
Select Phone numbers as Destination type, and enter your phone number as the recipient. Include your country code, and area code, if applicable.
Select Transactional as Message type to optimizes the message delivery for highest reliability. Create a new message and write a simple Message.
Click the Send message button and check your phone.
You have received your first SMS from Amazon Pinpoint.