iPhone 5 users can easily record sounds with the built-in microphone and speaker. To do this, you will need to first set up the microphone and speaker on your iPhone. Then, you will need to choose the sound you want to record. To start recording, simply press the Recording button on your iPhone. After a few seconds, your iPhone will start recording the sound you have chosen. You can continue to record by pressing the Recording button again or by pressing and holding down the button for a few seconds. When you are finished recording, release the button and your iPhone will stop recording.