As you have an Iphone do you have Apple care plus if you do it is covered and you need to contact apple care. The information in the aboe posts is for TEP which is n ot offered for the Iphone.
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If you have T.E.P on the phone line that was damaged, you can do a claim. Go to www.phoneclaim.com and you will likely be charged a 100 dollar deductible as well.
I have an iPhone 4S 32GB that went through the wash cycle with some laundry. Does Sprint cover this type of damage with the insurance in any way?