Some owners of Apple's new iPhone 4S have been hit with SIM card error messages, even if they are connected to a CDMA carrier that does not use SIM cards. One reader ...

iPhone 4S users are reporting SIM card issues with their handsets. A thread about the topic on the Apple support site has now accumulated more than 200 posts and 30,000 views, suggesting that the ...

In a first for US wireless carriers, Sprint and Verizon Wireless will allow iPhone 4S customers to unlock their mirco-SIM card slots, which enables use on wireless networks around the world, reports ...

Contrary to initial reports, the Sprint version of the iPhone 4S will not come with an unlocked microSIM slot allowing customers to pop in international SIMs; it will be able to roam on international ...

iOS hacker Pod2g, who has become increasingly famous over the last few weeks thanks to the progress he’s made on an untethered jailbreak for iOS 5, is one step closer to jailbreaking the iPhone 4S.

The initial reaction to the announcement of the iPhone 4S was muted. First there’s that name: It’s the old phone’s name with an S attached to it. As the iPhone 3GS taught us, adding an S to an ...