Hi, I bought an iPhone 3GS last week and I didn't know that the new one woudl be coming out I ported my number and everything. My number is very importaint because it has to do with all of my bussiness contacts. I want to exchange it for the iPhone 4 when it comes out, but it was told by 1800MyApple that i had to mail it back to only return. Then I called back to make sure and the next person told me that I could exchange it in store when the new one comes out. I called my local store and said that it was not possible and to try calling AT&T. AT&T said there was no way of holding my number for a day. What can I do? Should I still try exchanging it at the store? What are my options besides returning it? Thank You!