You have to put it in DFU mode and restore it:
Step 1. Turn off your iPhone.
Step 2. Hold down the power and home button.
Step 3. When you see the Apple logo, release the power button but continue holding the home button down.
Step 4. Open iTunes and wait for it to tell you that its in restore mode.
If this not fuction try this:
Step 1. Hold down the power and the home button
Step 2. After (exactly) 10 seconds release the power button but continue holding the home button until you listen a sound in your computer.
Now the screen have to be in black and in itune gonna be a message like this
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If you not have your SHSH blobs,you have to restore your iphone to the last version.
---------- Post added at 10:27 AM ---------- Previous post was at 10:25 AM ----------
Originally posted by Webby
Ok so i Sold my iphone 4 to get an iphone 3g When i got it i Tryed to jb it with blackra1n but i failed Badly Now i Cant restore My iphone when i try to turn on it just comes up with the picture of the connext to iphone Thing Can any one help me out??????
I post a reply to you of what you can to to restore your iphone....