The trouble is that I have no idea where to buy one and what to look out for. I've seen some available on Amazon.com and, as expected, they seem to be all over eBay. Plus there are various on-line stores that seem to specialize in selling unlocked GSM phones to people in the Uni...
Current iPhone Trade-in Payouts (Oct 10th 2014) iPhone 3G 16GB (AT&T or Unlocked) $12 $10 $0 iPhone 3G 8GB (AT&T or Unlocked) $12 $10 $0 iPhone 3G S 16GB (AT&T or Unlocked) $12 $10 $5 iPhone 3G S 32GB (AT&T or Unlocked) $12 $10 $5 iPhone 3G S 8GB (AT&T or Unlocked) ...