Yes, the iPhone 3G has Wi Fi.
To get Wi-Fi on your iPhoneGo to Settings > Wi-Fi > Turn it on > and choose your connection.
Wi-Fi is free to use on the iPhone. If you know the password of the Wi-Fi or it is unprotected. There is no cost to use Wi-Fi through the iPhone but there maybe a charge if you use Wi-Fi at a coffee shop (or place like that).
from vivek yes
no
Yes, very good Wi-Fi/Edge. The 3G & 3Gs have Wi-Fi/Edge/3G
Only on the iPod Touch and iPhone. Where only the iPod Touch can use only Wi-Fi, the iPhone can use Wi-Fi and 3G Network.
you can put a wi-fi in 3110c nokia
you need to buy a wireless wi fi router.
No not really,because it's not a big thing like other phones with contracts.It's not as expensive as the phones with contracts because they have wi-fi and i also think that an iphone has wi-fi.
yes it is completely free to put on wi-fi
How Do I get my wifi network back on my iphone