My iPhone 3GS won't connect to itunes?

Yeah so hi.
In about July this year, my iPhone 3GS updated while I was sleeping. I didn't even want the update to happen, because I just didn't want to do it.
So it started updating, and when I looked at it, it said to connect it to iTunes.So, I did. And right after it said "Connected to itunes" it started turning off. I have tried this more than once, on different computers as well. I just want to use it.
Could it not be connecting because it's too old? Because it's a 3GS?
Can you please help me try and restore this, because I would really like it back.

Try putting it in water then taking it out it should work

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