Aug 7 2010
How To Fix “Different SIM Detected” After iPhone Jailbreak
In late July, we covered a way to activate iPhone with a what-so-called Phonebook SIM card. Early adopters reported that the method worked great and they could easily hactivate the iPhone without an official sim. Lately, however, it was reported the phonebook sim card does no longer work.
What it turn out is that the phonebook [...]
Jul 19 2010
Easy Way to Activate iPhone Without Official SIM
If you are not using an official SIM (say, the one from AT&T), you should be very familiar with the below message shown in iTunes when you connect the iPhone to your computer:
The SIM card inserted in this iPhone does not appear to be supported.
Apparently, you can use PwnageTool or Redsn0w to activate the iPhone [...]