You tap it. Nothing happens. You tap again, a little harder this time, like the phone just needs convincing. Still nothing. Or maybe it’s the opposite problem — your screen is registering touches you never made, opening apps on..

You tap it. Nothing happens. You tap again, a little harder this time, like the phone just needs convincing. Still nothing. Or maybe it’s the opposite problem — your screen is registering touches you never made, opening apps on..