True. I did that when I brought an iphone off craigslist. Made sure everything matched everything on the phone and box.
But I didn't need to do anything. T-mobile somehow updated it for me, when I logged on to my t-mobile it showed that I was using the mytouch right when I used my upgrade to get the G2. So when I called in they didn't ask for the imei number, just asked for water damage and sent my replacement. And just got the text saying its being processed. I hope they ship out on weekends? Really don't want to wait until Tuesday for them to ship it out.
Sent from my HTC Glacier using XDA App