Iphone 3S. sign on the screen: connect to itunes, I connect, press restore, and no success.

Hello 17april,

I'm sorry to hear you are having these issues with your iPhone. If you continue to get errors about not being able to contact the iPhone software update server when you try to restore your iPhone, you may find the information and troubleshooting steps outlined in the following article helpful:

iTunes for Windows: iTunes can't contact the iPhone, iPad, or iPod software update server - Apple Support

Cheers