I have a serious issue with my iPhone. It keeps crashing when a certain number is calling me. Also when I try to call this number, I don't get the screen which allows me to hang up. I allready deleted the corresponding contact - but with no luck. Now I restored my iphone to the original FW - reinstalled the backup, but the phone still kept crashing. Thus I jailbreaked the iPhone again. Now I was thinking, maybe I can reinstall the original dialer app via ssh. I was thinking to unpack it somehow out of the IPSW file and copy it into the file system. Is there a guide how to to this?