This iTunes error 3194 has become very popular since Apple has not signed the IOS, and basically goes out when you have saved the SHSHs.
With the new iReb this and we can solve in a very simple way:
Step 1 .- Download iREB.
Step 2 .- Connect the iPhone to your computer and open iReb.
Step 3 .- We click on Online Mode and follow the instructions.
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