IPhone 4 Error 21 tried EVERYTHING

I dropped my pride and joy, my IPhone, in the toilet by accident. It was in there for about 3 seconds until I put it it a bag of rice overnight. The next day I restored it and everything seemed to work great. Then it shut off and had a black screen no matter what I did. So I put it back into the rice for 3 days, then tried it again. this time when I plugged it into the charger/computer the recovery mode picture with the USB cord and Apple Itunes logo showed up. I tried to restore it but kept getting Error 21. I successfully put it into DFU mode multiple times but that hasn't done anything either, still getting Error 21. I even tried a step-by-step guide using sn0wbreeze but that didn't work either. I went to the Verizon store and they said for a small price of $520 i could get a brand new Iphone...ya right. I NEED HELP! Looking for any advice...anything at all concerning the life of my Iphone.

http://support.apple.com/kb/TS3694#error21 says:
These errors typically occur when security software interferes with the restore and update process. Follow Troubleshooting security software issues to resolve this issue. In rare cases, these errors may be a hardware issue. If the errors persist on another computer, the device may need service.
My guess is that the immersion killed the phone. Overnight was not long enough to dry it out; 3-4 days is usually required. So turning it on while there was still moisture in it could easily kill it if it wasn't dead already. Then on top of that you tried to jailbreak it. So now you can't get help in an Apple forum.

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http://support.apple.com/kb/TS3694#error2001
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Message Edited by talzok on 09-20-2005 08:03 AMMessage Edited by talzok on 09-20-2005 08:09 AM

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