Originally Posted by shutter13
No, he cannot remove yur device and replace it. He has 100 slots. If he deletes one...it isn't replaced with an empty slot. What he can do is edit your original slot to change the UDID for your new device. I did that for someone when they replaced their 3G during the beta phase.
Oops I removed my 3G not realizing it would make me lose a slot. Oh well I won't miss it.