When you visit the Samsung booth this week at the Mobile World Congress 2026—which, as always, is being held at the Fira Gran Via convention center in Barcelona—you can make your way past the array of brand-new devices to find a timeline of old Galaxy S phones mounted to a wall. It’s a neat piece of history, but I’m not sure it had the intended effect. Rather than demonstrating Samsung’s progress over the years, it highlights how the South Korean tech giant—still the No. 2 phone maker in the...