I have heard of people getting different phones without suggesting it, but I think it was a mistake... And suggest away! What can it hurt, they might go for it I can attest to it. I was able to get the i730 as an insurance replacement for a kyo7135, a palm based flip that was 3yrs old. I just had to tell them that the thier replacement wouldn't work for me, and I suggested an alternative.

And yes the phones they replace can be the same ones they sell in the store... mine was an NIB (new in box) i730... Yes they will send refurbs initially but its my understanding after three bad ones they will send you a NIB!
Mark

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Luck is where opportunity meets preparation.