I had a smartphone that was conceptually similar to the iPhone in almost every way years before it was released. But the iPhone had a capacitive screen, longer

I had a smartphone that was conceptually similar to the iPhone in almost every way years before it was released. But the iPhone had a capacitive screen, longer batter life, a desktop quality browser, and it was a much better size. It didn't create a new product category but it created the best example of that category.