If you don't get AppleCare Plus for the iPhone Duo, any repairs are going to be pretty expensive. Apple published the estimated repair costs for the iPhone Duo without AppleCare Plus today, as reported by MacRumors, and they can be high: Battery service, for example, will cost $229, inner display damage will cost $999, and "other damage" costs $1,499.Here's Apple's estimated costs for various repairs if you don't have AppleCare Plus:Cover layer damage $49Back glass damage $199Battery service $229Rear camera damage $229Outer display damage $379Outer display and back glass damage $509Inner display damage $999Ot …Read the full story at The Verge.