Re: iPhone 3G / Wifi problem / 4.2.1 - Apple Support Communities 2013年12月4日 - I am running 4.2.1 on iPhone 3G and 4, iPad without any WiFi issues. My router security is set to WPA-PSK(WiFi Protected Access Pre-Share ...
iPhone 3G Wi-Fi Connections - Networking - About.com As most owners of Apple's popular iPhone 3G know, it contains built-in Wi-Fi networking similar to that of a laptop computer. Some iPhone 3G owners don't ...
How to Make an iPhone 3G Into a Wi-Fi Hot Spot | eHow How to Make an iPhone 3G Into a Wi-Fi Hot Spot. The iPhone 3G is a smartphone that requires a data package. The data package enables the phone to connect ...