What the newly revised copyright law lets (and doesn’t let) you do with your gadgets

You think you own your phone, but you don’t. Copyright law prohibits you from modifying its software in certain ways, opening you up to a voided warranty, cancelled service or even a lawsuit — but that’s slowly changing as the government acknowledges the need (and arguably right) to repair our own devices. A favorable decision from the Copyright Office gives you considerably more freedom with your gadgets, but it’s far from an ideal solution.
As a brief bit of background,