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Siri. The intelligent assistant that helps you get things done.
All you have to do is ask.

Now you can use your voice to use your iPhone. Just talk to Siri as you would to a person: “Do I need
an umbrella?” or “Any great burgers around here?” or “Where’s the closest ATM?” Siri not only
understands what you say, it knows what you mean.¹ It figures out the right apps to use to find the
right answer. Then, just like a personal assistant, it answers you. Siri makes phone calls, sends
messages, schedules meetings, sets reminders, and more. How much more? Just ask, and Siri tells
you that, too.
 
             

Dual-core A5 chip. The most powerful iPhone processor ever.

Two cores in the A5 chip deliver up to two times more power and up to seven times faster
graphics.² And you’ll feel the effects. Fast. iPhone 4S is quick and responsive, which makes all
the difference when you’re launching apps, browsing the web, gaming, and doing just about
everything. And no matter what you're doing, you can keep on doing it. Because the A5 chip is so
power-efficient, iPhone 4S has outstanding battery life.

iPhone 4S is great for gamers. The A5 chip pushes graphics up to seven times faster. So games run
smoother and they’re even more realistic. And graphics-intensive apps perform even better.