If you work with a computer, you probably hate caps lock. In fact, it’s one of the first things I disable on a new Mac. (To do this, go to System Preferences > Keyboard, click Modifier Keys, then for Caps Lock Key, set the popup menu to No Action.
However, it’s useful to have it sometimes, and I do use it occasionally on iOS; for example, when typing acronyms, or when I want to YELL IN A TWEET OR EMAIL.
So, here’s how you can use caps lock on an iOS device.
First, you need to make sure it’s enabled. Go to Settings > General > Keyboard, then toggle on Enable Caps Lock.
Then, to use caps lock, double-tap the Shift key on the iOS keyboard. Normally, the shift key looks like this, when it’s ready to type a capital letter:
But when you double-tap it, and turn on caps lock, it looks like this:
Type what you want, IN ALL CAPS, then tap the Shift key once to disengage at and type normally again.