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*BIG TIME DISCLAIMER
I am not advocating jailbreaking. If you have a warranty on your iPhone or iPod touch, this will void your warranty. Jailbreaking is fine for most people however it is strictly against Apple's terms of service. If you do manage to damage your iphone, this disclaimer is here to warn you that a) it really is possible to damage your phone and b) you are voiding your warranty if you do this so you may be denied service from apple if you run into problems
This guide is used to show you how jailbreak your iphone, not how to steal any software from anywhere. This guide is not intended to circumvent (hack/crack/bypass) any Apple software protection for App Store apps. You should always buy apps if you like them! Support app developers!
FIRST BE SURE TO BACK UP YOUR IPHONE:
Connect your iPhone to your computer.
When iTunes launches, click "sync" and wait for the process to finish.
You have just backed up your iPhone.
Restore the iPhone (or iPod Touch) This will allow the phone to be completely reset to its factory settings and start a new
a) In iTunes you will see a screen similar to the one below. You must click restore on the screen to continue:
Be sure to click the windows logo if you are using windows, or the Mac logo if you use Mac.
Be sure that you have your iPhone or iPod Touch connected to your computer. Close any iTunes related windows.
When the file has saved (should only take a few seconds as it is a small file) you must run it.
Double click the file and it will run:
Click the blackra1n icon and you are brought to the following screen:
This screen is where you will select what download manager you want to install. Click Cydia and Rock if you want the most variety. I do not recommend Icy as some users have problems using Icy and some jailbreak applications an tweaks
Restoring From Your Last Backup. Assuming that you are using the same computer you usually connect your iPhone to, and you backed up in the beginning of this walkthrough you can now restore to your latest iPhone backup. iTunes backs your phone up when you connect it to your computer. We are now going to restore that backup
Coming in the next few days, what to do with your new unjailbroken iPhone!