I was going through the steps to restore iOS 5.1.1 on your post, but I kept running into error '3108'. I've tried searching for answers, but there doesn't seem to be a lot of information about it. Any help would be great.
Submitted by: Michael, Minnesota
Just a quick note: error 3108 (Recnotfnd) is the result of some type of file corruption, which could represent a serious threat to your computer, in terms of performance and malware. iTunes Error 3108 is triggered by incomplete installations, improperly trashed software or unfinished installs. Another possible reason for getting the "error 3108" message is a virus infection.
So, I know you're eager to find how to fix the Recnotfnd or "error 3108", so we have prepared a short tutorial on how to fix the issue.
How to fix "error 3108"?
After you start your computer, log in as administrator. Click on the Start button and go to All Programs >> System Tools and choose System Restore. In the pop-up window, select "Restore my computer to an earlier time." By clicking "Next" you'll select the most recent system restore from the ". On this list, click on a restore point" list. You'll have two more "Next"s to go, but in the end, your PC will reboot after the restoration is finished. That's it!