How to use Blackra1n?

Step 1: Update iTunes to the latest version available and reboot your computer.

Step 2: Download BlackRa1n from our iPhone downloads page and install it, then reboot your PC (note that rebooting is not necessary but I always do this as a precaution).

Step 3: Plug your iPhone to your computer and launch BlackRa1n. Click on “make it ra1n”.

Step 4: Your iPhone will now enter recovery mode. The regular recovery mode image on your iPhone will be replaced by a picture of GeoHot.

Step 5: BlackRa1n will run on your iPhone and then it will reboot.

Step 6: Once your iPhone reboots, you will notice a new icon on your springboard. This is BlackRa1n. Now make sure you have internet connection and launch BlackRa1n on your iPhone.

Step 7: Choose what installer applications you want to install on your iPhone and then tap “Install”. I suggest only installing Cydia but you may install them all if you want to.

BlackRa1n will download and install the selected applications.

Step 8: Once done installing, your iPhone will respring and you should see your installer app on your springboard.

Step 9: Once your installer app (Cydia in our case) is installed. You can safely uninstall BlackRa1n by launching the app and selecting “uninstall balckra1n”.

Step 10: Reboot your iPhone. You’re done!

Congratulations! Your iPhone is now unlocked & jailbroken.