Will Apple replace my iPhone 4S if the power button doesn't work?

All of a sudden the power button (at the top on the right) of my fairly new (got it about a year ago) iPhone 4S doesn't work. I don't know what happened. Will they replace it for free?

Added (1). Oh and I didn't buy the insurance or whatever.

Yes they should as long as you are still in your 1-year warranty. If you bought Apple Care, you have 2 years. Just don't tell them that you dropped it because they won't cover accidental damage.

They will

It depends actually if you broke it they will not they will charge you for it. If it came broke then yes they will with no charge.

If your under the 1 year warranty and it was never jailbroke or water damaged they will give you a referbished iphone 4s.

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