Smartphone design is pretty homogenized these days. Assuming you aren't buying a foldable, your next Android device will likely look a lot like your current one: a tall, large piece of glass and metal with a camera bump on the back and a USB-C port on the bottom. Throw in a couple of speakers and you're good to go. But there is one place where some OEMs still make their respective marks on smartphone design, and it's the buttons along the side. And frankly, it's surprising how strong some users' opinions can be about their preferred order.
