Doesn't matter if you don't have a computer. You can set up our iPhone right out of the box with it's PC-Free feature. I don't think the Wii will do you any good though.
activate the phone first and then sync it with your itunes on your computer
Computer,iphone,Playstation 3,Xbox 360,Nintendo DS and Wii
xbox 360
Using Orb MyCast. Download and setup Orb on your computer then go to mycast.orb.com on the Wii Internet Channel and you can play all of the songs that are on iTunes streamed to the Wii. Your computer must be on for you to stream music.
Only if the iphone is a GSM phone with a SIM card... Otherwise if it is CDMA then no, you have to activate the other iphone.
To activate the Netflix code on a Wii, you need to launch the Netflix app on your Wii console. Once the app is open, it will display an activation code on the screen. You should then visit the Netflix activation website on a computer or mobile device, log into your Netflix account, and enter the code to link your Wii to your Netflix account. After activation, you’ll be able to stream Netflix content directly on your Wii.
You cannot directly connect an iPhone to a Wii console, as they are not designed to communicate with each other. However, you can use third-party apps to stream content from your iPhone to a compatible device that connects to the Wii, like a computer or a Smart TV. Alternatively, some Wii games may offer companion apps for mobile devices, but these typically function independently rather than through direct connection.
To activate an iPhone 4S, you need to insert a valid SIM card into the SIM card slot located on the side of the phone. Once the SIM card is inserted, power on the device by pressing and holding the power button until the Apple logo appears. Follow the on-screen instructions to set up your iPhone, including connecting to a Wi-Fi network and signing in with your Apple ID. If you do not have a SIM card, you can also activate the iPhone 4S using iTunes on a computer.
Settings, General, Network
If your Wii is connected to your computer, you can.
No. The iPhone must be activated before it can be used. You activate iPhone by using iTunes on your computer. You will need a credit card or debit card, access to the Internet and an email address. However, the newer iPhone 3G must be activated either at the store (AT&T store in the US) or at an Apple store.
I'm sorry, but the answer is no.