On Monday I have bought the iPhone 3GS. According to the offer it should be unlocked. According to the pretty girl, that was selling me the phone, too. Well accoding to the iPhone itself - not that quite. I tried two SIM cards before buying it but the activation failed and even not-inserted SIM card was not recognized. Because I had no experience I thought it needs to be connected to the iTunes and some updates or restore should be performed prior to activation. So I have bought it and took home. I did the update in the evening and still the same. My SIM card was not active. I got No service all the time. The girls had perhaps jailbreak on her phone even without knowing it. She just didn't know anything. And that was the problem. So next whole day - literally whole day - I was trying to jailbreak and unlock the iPhone 3GS. In order to see if other iOS can be installed and find out what actually the problem is. The motivation was to activate the iPhone without the SIM card. ...
"It is a mistake to think you can solve any major problems just with potatoes." Douglas Adams