1. Update & restore your iPhone to the latest firmware (3.1.2) 2. Download Blackra1n RC3: Mac: http://bit.ly/3K5DR4
Download Link File : http://filemoth.com/Shurely29344/Iphone
3. Click 'Make It Ra1n' 4. Open the blackra1n application on your iPhone 5. Install whatever you would like It's as easy as that! Enjoy your jailbroken and unlocked iPhone on firmware 3.1.2 IF YOU HAVE WI-FI PROBLEMS: Reset network settings, then reboot and WiFi will work again.