Yes, we realize CAPS LOCK sounds like you are yelling at someone. But sometimes you need Caps Lock enabled for many things. The iPhone does have a caps lock mode built in, but it’s disabled by default. To enable it, go to Settings > General > Keyboard and turn on “Enable Caps Lock.” Now whenever you need to type in all CAPS, simply double-tap the shift key to engage caps lock. But, be kind to your sensitive geeky friends and not overuse it!