Can I replace my iPhone since I have a one year warranty?

I got my iPhone 4 for Christmas this past Christmas. At Cheerleading practice about 3 months ago one of my friends dropped it (it was in its case) and the whole back shattered i don't know how long it was shattered before I took off the case and saw it broke but I bought the one year warranty the day I bought it and I want to know if I take it to the apple store will they charge me for a replacement? I really need my phone replaced because its been really slow and won't let me go over 200 photos and I barely have any songs books or apps on it so it's impossible that I've used up all my storage.

Well they might do something else to it instead of replacing it. Such as restoring it to its original programming, but yes you can get it repaired/replaced free!

  • Will the one year warranty on my iPhone camera damage? I didn't buy AppleCare, but my phone still comes with a one year warranty regardless, right? If so, does that cover like the blurriness of the camera lens? Like I did nothing to it, it just randomly starting taking blurry pictures and if you compare it to another iPhone you can tell the quality is different.
  • Will sprint also have the 1 year iPhone warranty? Long story short: I live 1.5 hours away from the closest Apple store. My iPhone suddenly won't even turn on, and I seriously need to get it replaced soon. I still have 6 months left on my warranty through apple, so here is my question: I know if I go to apple, they'll replace my phone. But if I go to sprint, will they also replace my phone?
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  • What pops up when Apple checks your iPhone one year warranty? Like besides if you still have it or not, like what shows up? They don't get anything like my phone info within my carrier (Verizon, T-Mobile, etc.), right? Or do they? And they check with your phones series number, right?