Amazon's Kindle provides either an on-screen or hardware keyboard, depending on the model. Both keyboards support capitalization, but they work slightly differently than a standard computer keyboard. If you're using a Kindle Fire HDX, you can also capitalize the first letter of a word using its swipe effect.
The up arrow on the Kindle's keyboard functions as the Shift key and capitalizes characters similarly to the way a standard keyboard does. The difference, however, is that you don't need to hold it down while you type. Simply tapping this key capitalizes the next letter you press and then returns the keyboard to lowercase. This also works on the Kindle Fire HDX, but you can also capitalize the first letter of a word using the swipe effect; touch the first letter, swipe up off of the keyboard and then return to the next letter, all without lifting your finger.
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