Will apple replace my iphone 4? Power button is stiff?

3 weeks ago my power button was acting funny, Now it requires a whole lotta pressure to turn it off. I push it down so hard that my fingers turn red. It's covered by apples warranty and they're sending me a box to return the iphone. Will they replace it or repair it?

Will the apple store change my iphone?

So basically, I have an Iphone 5, I've had it less than 6 months and the battery life is rubbish, it will say it has 40% battery and the next minute have 10% just from updating a status etc.

The only problem I have is my Iphone was bought from an Orange/EE shop, not the apple store.
Would they still change it? Does my Iphone have warruntee etc?

How to go from contract to pay as you go?

I'm on Vodafone and the contract has just ended so I have brought a Vodafone pay as you go sim. How do I put my sim in? Not literally, I mean, do I need to wipe the phone? Do i get it unlocked? How do i clear current Vodafone settings from it? How do I go about it? I just want my new pay as you go sim to work in my current iPhone 4.

How to jailbreak my iPhone 5S?

I have listen so much that we can add more functionality and features after jail-breaking iPhone but i need some help to jailbreak my iPhone 5S.

What prepaid service can I get with a VERIZON iPhone 4s?

I have a white iPhone 4s 16gb. It Verizon. I want to get a prepaid plan because i feel like its way better than having a contract. What should i get? I also had an AT&T iphone 4 which i used with AT&T's prepaid service, i would just go to any store, and buy a $25-$60 refill card. Is there something like this for Verizon iphones? I know that AT&T also is compatible with a service called H2o.

What are some good new car stereos?

I'm looking to buy a new in-dash receiver for my 2001 Honda Accord. I'm looking for one that isn't going to cost an arm and a leg ( maybe $100-$200). I have 4 things I want it to have, but I don't know all the lingo on websites like onlinecarstereo.com. Here's what I want:

1. Play CDs and MP3 CDs
2. Be able to play and charge my iPhone at the same time (not just play through the headphone jack, but through the 9 pin, or whatever it's called.)
3. Mute Button (for everything, not just CD mute)
4.turning volume knob (not buttons)

an EQ would also be nice. I think I have a 1 DIN, maybe 2. I'm not sure though.

I've looked at few, but I can't tell if they have all those features.

http://www.onlinecarstereo.com/CarAudio/p_18913_Boss_Audio_740UA.aspx

http://www.onlinecarstereo.com/CarAudio/p_25739_Boss_Audio_822UA.aspx

http://www.onlinecarstereo.com/CarAudio/p_33677_Pioneer_DEH-X6500BT.aspx

I'm not sold on any of these by any means, but are more like examples.
Anyways, thanks in advance.