Learn how to enable Caps Lock to lock the shift key so you can type in all uppercase on the iPhone.
Did you know you could lock the shift key on the iPhone to type in all upper-case? You first need to make sure this feature is enabled, you do this through the settings app. Once it is enable, to type in all uppercase, you tap on the shift key twice. Once you do that, everything you type will be in uppercase. Tap on the soft key again to unlock it. See how to use caps lock on the iPhone in this video.
Video Transcript (video also has closed captions):