IBM Simon: “The world's first smartphone” and the bulky device that started the smartphone revolution you never knew about
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How one gadget rewired the future
On November 23, 1992, a bulky brick-shaped device debuted at a Las Vegas tech trade show, merging your calendar, email, and phone into one gadget. It was weird. It was expensive. And it sparked the revolution we carry in our pockets today. It was IBM Simon/
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What made IBM’s Simon different
The magic was simple: Simon combined a phone with what folks called a Personal Digital Assistant (PDA)—basically a mini computer that fit in your hand. Nobody had done that before. It was the first of its kind. Simon had something rare for 1992: a monochrome touchscreen display. You could tap with your finger or use a stylus to navigate. Revolutionary. No buttons meant more screen space than competitors.
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Built-in apps were mind-blowing
Address book, calendar, calculator, world clock, notepad, sketch pad, email, faxing. Tasks that once meant carrying five different devices now lived in one. Convenience redefined in black and white pixels.
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Running a modified DOS engine
Simon ran on a tweaked DOS operating system, (disk-based operating system) , the backbone of desktop computers back then. This wasn't just a phone masquerading as smart; it genuinely borrowed computing architecture to stay nimble.
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The brick everyone talked about
Weighing 1.1 pounds, Simon was clunky. Heavy. Honestly, it looked like a brick someone dropped. Modern phones are featherweight by comparison, but back then, this felt like a miracle squeezed into something portable. One hour. That's all the battery gave you. An hour of calls, calendar checks, sketching. Today's phones last a full day. Back then, that one-hour lifeline felt cruel. Business users got frustrated fast.
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A premium price that hurt sales
August 1994: Simon hit shelves via BellSouth for around 899 dollars with a two-year contract. In today's money, that's over 1,900 dollars. Expensive gamble for unproven technology no one truly understood yet. Only 50,000 sold before Simon vanished after six months. High cost plus that dreadful battery life meant only the tech-obsessed and ultra-wealthy kept one. Market rejection stung, but the seed was planted.
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The blueprint nobody could ignore
Simon didn't survive, but its DNA lived on. Every smartphone that followed borrowed Simon's playbook: touchscreen, integrated apps, communication plus computing. It proved the concept worked, just needed refinement. Fast forward three decades. Your phone does everything Simon promised, minus the brick shape and hour-long battery.