You can live a perfectly delightful mobile existence using an Android phone without tweaking a single setting. But where's the fun in that? Especially when a handful of downloads and a few minutes of tinkering can turn, say, your Galaxy S8 from a TouchWiz minefield into a digital zen garden. This has always been true. And if you're an Android power user, if you've installed a custom ROM (or even know what that means), this guide is not for you.