PLEASE HELP! - Accidentally upgraded jailbroken phone - now stuck on activation screen HELP!!!!

PLEASE HELP!!!!!!..... So I did something really stupid....my iphone4 is jailbroken and I by accidentally updated it to 5.1.1. I had to restore it because it was stuck in recovery mode. Not it is stuck on the activation screen...the screen that you have when you first get the phone. It won't activate through itunes and it won't activate through the phone when you connect it to wifi.

I've tried EVERYTHING. I've restored it. Tried to restore and downgrade. Tried to rejailbreak it. Nothing it working! It won't activate no matter what I do.

If anyone could help me I would sooo greatly appreciate it, I don't care if it's even jailbroken anymore, I just want to it turn on and be a normal phone.

Thanks!!!

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