Two things. First, as other blogs will tell you, you will lose your carrier logo if you use PwnageTool 3.1.3 to build a custom 3.1 .ipsw and install it. That, I can live with, since (according to t3h intarnutz) this only affects the GUI, not your actual signal.
Unfortunately, when I restored my phone using the custom ipsw, I didn't get the logo - but I didn't get any service either. I tried about three or four different things, which is a lot when it means rebuilding an ipsw, rebreaking and resyncing each time - until finally I went into Expert mode on PwnageTool and told it *not* to Activate the phone in the cracked ipsw it was producing.
That worked. I still don't have the logo, but at least it promptly says '3G' now and shows me bars, and makes calls and all that.
Posted by jbz at October 7, 2009 11:32 PM