How do I can I connect to a wireless network with my iPhone 4?

My iPhone 4 won't give me a password screen when I tap the "Choose a Network". It gives me a screen with blocks for: IP Address, Subset Mask, Router, DNS, etc, etc. We changed home routers recently and I haven't been able to connect to it yet. The only other wireless network that I have connected... show more My iPhone 4 won't give me a password screen when I tap the "Choose a Network". It gives me a screen with blocks for: IP Address, Subset Mask, Router, DNS, etc, etc. We changed home routers recently and I haven't been able to connect to it yet. The only other wireless network that I have connected to gave me the same screen until a password screen did finally come up without me doing anything.

What do I have to do?.
Update: DHCP is set on iPhone. This home network is recognised by the iPhone, but iPhone 4 also recognises other WiFi spots when close to them. Had a real problem connecting to another WiFi spot away from home. Password screen "magically" appeared on it's own on visited site without any action by me. @David,... show more DHCP is set on iPhone. This home network is recognised by the iPhone, but iPhone 4 also recognises other WiFi spots when close to them. Had a real problem connecting to another WiFi spot away from home. Password screen "magically" appeared on it's own on visited site without any action by me.

@David, I've got all the information that would go into the blocks, but the iPhone won't allow me to input information into the blocks, so I can't go that route.

iPhone 4 doesn't appear to give any choices except tap on the site and wait.

I'm beginning to think that I actually have to connect (w/Ethernet cable) to the router which is provided by the phone company, then connect to the telco web site. They didn't provide any software, just login to their website and provide some security ID details and the telco program did the setup. My wife's laptop connected with router with no problem. All the router asked for was the router name and password.

A rea
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