If you're still debating which carrier to get your iPhone 4 this morning, here is some clarification on Sprint's policy on the micro-SIM card included with the world phone, which may be just the ...

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 ...

No, that's not a typo. Customers are reporting SIM card failures across all carriers, including CDMA-based Verizon and Sprint, which actually use the micro SIMs included in the iPhone 4S to roam on ...

When the first iPhone 4S story was written here on SlashGear announcing said device, it was entitled iPhone 4S World Phone revealed – as it turns out, that doesn't mean the same thing to all carriers ...

Apple's recent update to iOS 5.0.1 may have been designed to deal with intermittent "No Service" and "No SIM Card Installed" iPhone 4S messages, is being pushed to iOS 5 users who haven't upgraded to ...

Sprint customers who buy the iPhone 4S will be able to roam internationally on GSM networks, but will not find themselves with unlocked microSIM slots, a Sprint representative tells Ars. While some ...

So far, the only sure-fire solution to the issue seems to be getting a replacement SIM from your carrier and swapping out the old one. It's not clear if this is a hardware issue specific to the iPhone ...

Apple labels the iPhone 4S as a “world phone” and for good reason. According to a report by Macworld, Sprint will sell the iPhone 4S with an unlocked SIM card slot from day one, enabling international ...

All you brand new Sprint iPhone 4S customers who thought you’d actually be able to use the full dual-mode GSM/CDMA worldphone capabilities of your fancy new Apple handset when traveling abroad, think ...

While this certainly doesn't appear to be as widespread a problem as iOS 5's battery issues, a small group of iPhone 4S users are reporting that that their devices ...

UPDATE: A Sprint representative tells Ars Technica that it will not offer the iPhone 4S with an unlocked micro-SIM card slot, despite earlier reports that it would. Instead, customers must use ...

Last Thursday Apple quietly issued a new build of iOS 5.0.1 specifically for the iPhone 4S. There were no release notes issued with the new build and users who had already installed and earlier build ...