Why doesn't my iphone lock button work?

IPhone replaced power button?

• The lock button on my iPhone 4 is jacked up and doesnt work, if i bring it in to the apple store can they replace it if i still have warranty?

• Answer:

  It doesn't hurt to ask. If there's no evidence of abuse, and it's under warranty, Apple usually will swap it out for a refurbished iPhone. They don't "repair" iPhones. Ever. They send them back to the factory to be rebuilt. Before you take it in, I'd do a complete current backup so you have it, though the Genius should be able to back up your phone and resync the new one. It may be even easier to call AppleCare. They'll ship you a refurbished phone and you sync your stuff, format the old phone, and ship it back at Apple's expense. All materials (even the tape for the box!) are included, including the shipping label. It usually takes 2 days, and then you have 10 days to get the old phone back to Apple.