Use bluetooth to connect them. Both are bluetooth ready.
ANSWER;you dont
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Yes. AT&T offers services that allow the iPhone to access the Internet wherever there is a cellular data signal. Or, the iPhone can connect to a WiFi network to access the Internet without the need of an AT&T plan.
The AirPlay feature found in the latest version of the iOS software will connect an iPhone to the Apple TV. (See links below)
If you just connect a router to your iPhone, then the Internet should be free.
There is not a such thing of my bringing my Iphone and it working wirelessly in my pool underwater. Phone Hates water!
Tethering on the iphone is not possible at this time.
an iPhone can not be used to provide internet access to the PS2
Its part of the data package you pay. Just connect to safari.
yes
The iPhone has an internet browser called Safari. In theory, if you have access to a WiFi connection, you can connect to the internet. Also, you can connect to the internet through a networks 3G connection.
You can not use the USB port to connect to the internet which means that iPhone's and USB wireless adaptors will not work to provide access to the internet for the PS3. You can use then to download pictures and music to the harddrive