I bought an iPhone4 from ebay, and it was marked as UNLOCKED, but in fact it was not.. After couple of emails, I gave this up, and I want to sell it. It is AT&T. The questions are:
1) What would you do in my case? The untethered jailbreak came out, but needs iPhone to be activated. iOS was upgraded to 5.1.1 9B206, so also the baseband is quite new - no way to unlock it in the near future.
2) iPhone must be activated with the original AT&T SIM or just any AT&T SIM ? So that, I could write it in description in case I would sell it.