Step 6: Navigate to /System/Library/PrivateFrameworks/amework/Support/ and copy “CommCenter” file to your desktop.
Protocol: SFTP (SSH File Transfer Protocol).
Server: The IP address of your iPhone.
Enter the following details to login to your phone: Step 5: Download and install Cyberduck for Mac (download link given below). Step 4: Connect your iPhone with your computer.
Install “OpenSSH” and reboot your iPhone.
Touch on “Search” tab and then search for “OpenSSH”. Step 3: Make sure you have OpenSSH installed on your iPhone: Step 2: Move the downloaded CommCenter.patch file to your desktop. Step 1: Download CommCenter.patch for your iPhone 3G or iPhone 3GS. Follow the step-by-step guide posted here in order to jailbreak your iPhone (3G and 3GS) on iPhone firmware 3.1.2. NOTE: The following procedure requires a jailbroken iPhone running on firmware 3.1.2.